26 September
Tierra Group to perform the Phase 3 Heap Leach Facility Design for the Isabella Pearl Project
3 September
Tierra Group Welcomes our new Chief Geotechnical Quality Engineer, Troy Meyer
27 August
Tierra Group is Awarded the Cerro de Pasco PEA Project, Perú
27 August
Tierra Group to continue work on the Stillwater Independent Review Panel
21 August
Grupo Mexico Awards Tierra Group the La Caridad Dam Safety Review Project, Mexico
12 August
Tierra Group Welcomes Alan Pineda to our Elko Office as our new Technical Services Coordinator
31 July
Pilot Gold USA selects Tierra Group to provide HLF Design Review for the Black Pine Mine in Idaho
29 July
Tierra Group Welcomes our new Civil Engineer, Markus Bellamy
24 July
Calibre Awards Tierra Group the Crimea TSF Phase 2 IFC Design Review Project in Nicaragua
12 July
Calibre Awards Tierra Group the Crimea TSF Phase 2 CQA Project in Nicaragua
8 July
Tierra Group Hosts our 12th Annual 2024 Client Appreciation International Golf Invitational at Hiwan Golf Club
13 June
Tierra Group welcomes US Gold Corp as our newest client
29 May
Tierra Group Secures 2024 Engineer of Record Services Contract from Barrick McLaughlin
20 May
Tierra Group Welcomes our new Mining Engineer Intern - Anshuman Mohanty!
14 May
Artmin selects Tierra Group to provide Engineering Review Services at Hod Maden in Turkey
9 May
Tierra Group welcomes M3 Engineering & Technology as a new client
30 April
Founding Principal Matt Fuller, receives his Qualified Person Certification from The Mining & Metallurgical Society of America
23 April
Tierra Group Welcomes our Newest Client - Teck American Inc.
17 April
Tierra Group to Complete the Los Gatos TSF Stage II Phase 3 Design
17 April
Newmont Awards Tierra Group the Cerro Negro Tailings Optimization 2A Study
17 April
Tierra Group to Perform the TSF Investigation Detailed Design for the San Pancho Project
27 March
Tierra Group will Perform Engineering Support in 2024 for Hecla
6 March
Gold Resources Awards Tierra Group the Civit Cat Diversion Project for the Isabella Pearl Mine
4 March
26 February
Cristian Cardenas presents "A Day in the Life of a Young Geotechnical/Tailings Engineer" at the 2024 SME Convention in Phoenix
9 February
Matt Fuller Presents on GISTM Standards at the Mining & Metallurgical Society of America Luncheon
6 February
Calibre Awards Tierra Group the Crimea TSF Phase 2 Feasibility Design Project in Nicaragua
25 January
Tierra Group Awarded Two Tailings Assurance Audits in the U.S.
19 January
Santacruz Silver Carrizal awards Tierra Group the Zimapan Annual Technical Services Project
28 December
Tierra Group to Provide Stage 4B CQA Services to Calibre for the San Jose TSF
19 December
Tierra Group Welcomes new Client - IAMGOLD
18 December
Tierra Group Participates on the Independent Technical Review Board for a Project in Canada
29 November
Orla Mining awards Tierra Group the Camino Rojo HLF Engineering Design & CQA projects
29 November
Tierra Group Welcomes new Client Orla Mining
27 October
Calibre awards Tierra Group the Crimea TSF Phase 2 Geotechnical Investigation Project
20 October
Tierra Group Welcomes new Client American Battery Technology Company (ABTC)
20 October
Tierra Group awarded ABTC's Tonopah Flats TSF project
10 October
Tierra Group to Update the Jerritt Canyon TSF2 OMS Manual
10 October
First Majestic Silver Corp. awards Tierra Group the TSF2 OMS Manual Update project
6 October
Tierra Group Prepares the Stage 5 TSF Design for a Project in Nevada
5 October
Tierra Group Conducts a Dam Assessment in Nevada
5 October
Tierra Group performs the Phase 2A & 3 Geotech Investigation & Stability Analysis for the Isabella Pearl Project
5 October
Tierra Group performs an Engineering Design Change to the Phase 2A Heap Leach Facility for the Isabella Pearl Project
8 September
Tierra Group to Perform a Total Population Estimate for the Ray Mine
30 August
USA Rare Earth awards Tierra Group the Round Top Aluminum Sulfate Storage Facility Siting Study
24 August
Andean Precious Metals Awards Tierra Group the San Bartolome Mine NI 43-101 Tailings Technical Review and Report Project
24 August
Tierra Group Welcomes our newest Client - Andean Precious Metals
24 August
Tierra Group awarded Anagold's Copler Annual TSF/HLF Audit
14 August
Tierra Group Welcomes Ron Burgess to the Team in our Lakewood, Colorado Office!
8 August
Calibre Awards Tierra Group the EBP La Luna Open Pit Prefeasibility Field Investigation & Pit Slope Recommendations Project
7 August
Tierra Group is Awarded the 2023 Dam Inspections & Review Project for the Jerritt Canyon Mine
4 August
Tierra Group is Awarded the Water Management Technical Support Project for the Terronera Project
3 August
Titan Mining Awards Tierra Group the Technical Studies for the Empire State Mine TSF 4 Facility
28 July
Tierra Group is Awarded the Triton El Limon EoR TSF Monitoring, Reporting, & Annual Inspections Project
28 July
Tierra Group is Awarded the Desminic La Libertad EoR TSF Monitoring, Reporting, & Annual Inspections Project
24 July
Tierra Group Welcomes Chris Hurren to the Team at our Elko, Nevada office!
20 July
Tierra Group Conducts Phase 1 Evaporation Ponds CQA and Resident Engineering Services
14 July
Calibre Awards Tierra Group the Blag Main Open-Pit Feasibility Investigation in Nicaragua
10 July
Tierra Group holds it's 11th Annual Client Appreciation International Golf Invitational
19 June
Tierra Group welcomes Dominic Rodano to the Team in our Lakewood, Colorado office!
16 June
Tierra Group performs a Technical Report Update TSF SK-1300 for the Los Gatos Project in Mexico
12 June
Tierra Group Awarded the Aurora 2023 Annual Dams Inspection & Diversion Evaluation by Klondex
8 June
Tierra Group Prepares a TSF Closure Work Plan
2 June
Tierra Group Conducts a TSF Stormwater Diversion and Liner Damage Assessment
31 May
Tierra Group to Prepare the Final Closure Plan for the Fire Creek Project
25 May
Newcrest Awards Tierra Group the Tailings Stewardship Program for 2023
25 May
Tierra Group to prepare the La Esperanza Operation, Maintenance, and Surveillance Manual and Emergency Action Plan Updates
25 May
Tierra Group to prepare the Crimea TSF Operation, Maintenance, and Surveillance Manual and Emergency Action Plan
8 May
Tierra Group Prepares Geotech Program Scoping for a Project in Nevada
1 May
Tierra Group to provide continued FTSF Support (2023) for the San Albino Project
20 April
ASARCO awards Tierra Group the Hayden D Dam TSF Breach Study
11 April
Congratulations to Alcides Panez being promoted to Jefe de Ingenieria SAC!
31 March
Calibre Mining awards Tierra Group the La Libertad GISTM Conformance Audit Support project
28 March
Tierra Group to Conduct a Tailings Assurance Audit in Nevada
13 March
Tierra Group welcomes Jacob Lopez to the Team in our Lakewood, Colorado office!
28 February
Agnico Eagle Awards the La India HLF Stability Update to Tierra Group
23 February
Tierra Group Awarded Los Gatos Annual EOR Services
21 February
Tierra Group is awarded the County Line Pit Slope Design Project by Gold Resource Corporation
16 February
Endeavour Silver awards Tierra Group the Terronera Hydrogeo Technical Support
15 February
Tierra Group is awarded the La India Hydrology and Water Balance Update
14 February
El Mochito awards Tierra Group the 2023 EOR and Design & Construction Support projects
14 February
Santacruz Silver awards Tierra Group the Zimapan TSF9 Independent Technical Review
19 January
Tierra Group to perform 2023 Consulting Services for Hecla-Klondex
18 January
Congratulations to Alcides Panez of our Lima, Peru office who has just graduated from Universidad Nacional Mayor de San Marcos with a Masters degree in Geologia with and emphasis in Geotechnology!
11 January
Matt Fuller to present an SME webinar on In-Pit Tailings Management January 17, 2023
9 January
Tierra Group to begin Fekola TSF2 CQA Supervision
19 December
Tierra Group is awarded the Meikle Pipeline & Plant Design project by Paterson & Cooke
2 December
Tierra Group is awarded the 2022 TSF Expansion Design Review project by KGHM and Robinson Mining
2 December
Tierra Group awarded the Bunker Hill Dry Stack Tailings Design Project
2 December
NioCorp awards Tierra Group the Elk Creek TSF Feasibility Study
1 December
Tierra Group awarded the San Jose TSF Stage 4A CQA by Calibre Mining
11 November
Tierra Group is awarded UG Hydrogeological & Geotechnical Program Support for the Fekola Project in Mali
4 November
Sandfire Resources awards Tierra Group the EOR Support project for Black Butte Copper
2 November
Tierra Group is awarded the Toquepala Geotechnical Services Associated with the 2022 Geotechnical Drilling Campaign
31 October
Tierra Group is awarded the 2022 Independent Engineer Audit for the Copler Project in Turkey
20 October
Tierra Group to provide WRSF Landfill Application Support to the Fire Creek Project
10 October
Calibre awards Tierra Group the Geotechnical Field Investigation of the Tajo Volcan Open Pit project
10 October
Calibre awards Tierra Group the Geotechnical Field Investigation of the Panteon Underground Project
23 September
Tierra Group to provide Detailed Engineering Design for Calibre’s San Jose TSF Stage 4B
21 September
Tierra Group to provide Dam Decommissioning Plans for the Aurora Mine in Nevada
20 September
Tierra Group to provide a Goldsim Sitewide Water Balance for the Terronera Project
15 September
Tierra Group to provide EoR Services for Three Tailings Facilities at the El Limon Mine in Nicaragua
31 August
Tierra Group is awarded the Leeville Civil Design Support project by Paterson & Cooke
31 August
Tierra Group is awarded the Ft. Knox Civil Design Support project by Paterson & Cooke
25 August
Tierra Group to provide Audit Services to the Velardena TSF in Mexico
5 August
Tierra Group to provide Annual Dam Safety Inspections for the Tailings Dams at the Aurora Project
3 August
Tierra Group is awarded the Piccolo Corridor Grading Design Support project by Paterson & Cooke
7 July
Tierra Group holds it's 10th Annual Client Appreciation International Golf Invitational
1 July
Tierra Group S.A.C. receives two new ISO Certifications; Sistema de Gestión Antisoborno bajo la norma ISO 37001:2016; and Sistema de Seguridad y Salud en el Trabajo bajo la norma ISO 45001:2018
10 June
Tierra Group to provide Water Management Services to Endeavour Silver's Guanacevi Project in Mexico
8 June
Tierra Group is awarded the Meikle Channel Design project by Paterson & Cooke
1 June
Tierra Group to conduct Hydrogeologic Characterization for Endeavour Silver's Terronera Project in Mexico
18 May
Cristian Chavez is promoted to Project Engineer!
11 May
Tierra Group to Develop an OMS for the D-Pond TSF at the Hayden Mine in Arizona
4 May
Tierra Group is awarded a Slope Stability and Seismic Hazard Assessment project for the Empire State Mine in New York
29 April
24 April
Tierra Group conducted a Dam Breach Study, OMS and EAP for the Empire State Mine in New York
18 April
Tierra Group to continue work on a phased TSF Construction project in Nevada
18 April
Tierra Group to continue work on a Corridor Realignment project in Nevada
6 April
Tierra Group to continue work on a phased Pipeline EDC project in Nevada
31 March
Tierra Group to continue CQA work at El Limon
31 March
Tierra Group to continue CQA work at La Libertad
30 March
Tierra Group is awarded a Siting Study for several potential TSF’s in Idaho
16 March
Tierra Group becomes the Engineer of Record for a large mine in Argentina
14 March
Tierra Group welcomes Rishi Reddy to the Team!
16 February
Tierra Group is awarded Newcrest Mining Ltd. Corporate Tailings Stewardship Program, implemented in Australia and Canada
20 January
Tierra Group is awarded the Candleones HLF Feasibility Design Project in the Dominican Republic for Unigold
10 January
Tierra Group welcomes Cristian Cardenas to the Team!
7 January
Tierra Group to provide Heap Leach Pad Design and Permitting Support for Fortitude Gold for the Golden Mile Project
6 January
Tierra Group to provide an NDEP Seepage Response Letter to Hecla-Klondex for the Fire Creek Project in Nevada
31 December
Congratulations to Justin Knudsen, received his P.E. from Texas
17 December
Congratulations to Shyanne Wilson - Graduate from Colorado School of Mines!
9 December
Kiewit Engineering awards Tierra Group the Smackover Process Design Support Project in Arkansas
9 December
Confidential Client awards Tierra Group a Desktop Study for a Confidential Project in Brazil
1 December
Congratulations to Alcides Panez and his wife on their baby girl Arena Grazia!
29 November
Tierra Group to perform a Pipeline Corridor Engineering Support project in Nevada
15 November
Tierra Group is awarded the Los Gatos TSF Etapa II Fase 2 project in Mexico
12 November
Tierra Group is awarded the Toquepala Estabilidad Componentes Project in Peru
28 October
Tierra Group is awarded the Tigra-Atravesada Underground Mine Feasibility Investigation
27 October
Gold Resources Corp awards Tierra Group the Crimson Preliminary Pit Slope Design Project
22 October
Hecla Klondex awards Tierra Group the Fire Creek WRSF Water Balance Tracking project in Nevada
20 October
B2Gold awards Tierra Group the Fekola TSF Raise CQA and Supervision Project in Africa
20 October
Tierra Group to provide FTSF Support for the San Albino Project for Nicoz Resources
14 October
Tierra Group to perform a TPPC & WRMP Update of the Isabella Pearl Project
10 October
Tierra Group Welcomes Shyanne Wilson to the Team!
8 October
Anagold contracts Tierra Group to perform an TSF and HLF Audit of the Copler Project in Turkey
6 October
Tierra Group to provide PFS Level HLF Design and Independent Review of the Metallurgy & Process Design for the Round Top Project in Texas
4 October
Tierra Group to perform Expert Witness Services for a Confidential Project
1 October
Kiewit partners with Tierra Group for Metallurgical & Process Design Support for Coeur Silver Tip Project
23 September
Coeur Mining awards Tierra Group the Sterling Heap Leach Pads IFC Design project in Nevada
20 September
Tierra Group welcomes Logan Westgard to the Team!
20 September
Tierra Group welcomes Rahul Anand to the Team!
17 September
Tierra Group to conduct GoldSim Training to Agnico Eagle for the La India Project
7 September
Tierra Group is awards the 2021 TSF UCS As-Built Preparation for a Confidential Project in Nevada
3 September
Tierra Group is awards the 2021 TSF Annual Dam Safety Inspection for a Confidential Project in Nevada
1 September
Calibre Mining awards Tierra Group the Guapinol Waste Dump & Stockpile Geotech Investigation Project
26 August
Calibre Mining awards Tierra Group the Rosario and Tranca Open Pit Feasibility Investigation
19 August
Tierra Group will perform a Feasibility Study on the Gramalote Project
5 August
AMPAC awards Tierra Group Engineer of Record Services for the El Mochito Mine in Honduras
5 August
AMPAC awards Tierra Group the EOR Support and Engineering Services Project
3 August
Tierra Group to perform a Conceptual and Scoping Level Studies for a Confidential Project in Argentina
3 August
Tierra Group to perform a Scoping Study on a Confidential TSF
3 August
Tierra Group is Awarded the Veladero HLF Expansion Conceptual and Scoping Studies in Argentina
3 August
Tierra Group to perform TSF Scoping Study Project for a Confidential Client in Nevada
30 July
Tierra Group International welcomes Akhil Katari to the Team as a Geotechnical Engineer!
12 July
SLR Consulting partners with Tierra Group to provide Tailings Stewardship Engineering Analysis Baseline for Empire States Mine
9 July
Tierra Group to perform TSF Management on the Los Gatos Project
1 July
Tierra Group to provide a Water Management Technical Review for the Terronera Project in Mexico
30 June
An amazing day with our clients last week at Tierra Group's 9th Annual Client Appreciation International Golf Invitational!
30 June
Hecla-Klondex awards Tierra Group the 2021 Annual Dam Inspections for the Aurora Mine
4 June
Tierra Group partners with Woods Process Services to provide Process Design Support for the Madison Mine Project in Missouri
26 May
Hecla-Klondex awards Tierra Group the Fire Creek Permeability Testing project
18 May
Calibre Mining awards Tierra Group with the Guapinol Pit Pre-Feasibility Geotechnical Investigation at Desminic in Nicaragua
10 May
Tierra Group to conduct the San Jose TSF Technical Review for Quintana Resources
6 May
Tierra Group to provide Quintana Resource Corporate Tailings Management Standard
5 May
Calibre awards Tierra Group the San Jose EAP
28 April
Minera Andina del Sol S.R.L. awards Tierra Group International the contract for an Engineering Review of Phase 7
21 April
Tierra Group to provide Final Engineering Design for the Stage 4 TSF for the El Limon project
19 April
Tierra Group will provide an Independent Technical Review of Asarco’s four active TSFs
15 April
Doe Run has engaged Tierra Group for Construction Support of the Sweetwater 1138 Raise
7 April
Tierra Group will perform a Geotechnical Field Investigation for a proposed Underground mine for Calibre Mining
26 March
Tierra Groups assists Hecla-Klondex with the Aurora TSF1 FPCP and TSF2 Closure Review
12 March
Tierra Group to support construction of two lined ponds by serving as Resident Engineer for a mine in Nevada
22 February
Tierra Group will support Engineering Management for Phase 2 Gap Analysis and Detailed Design for a Confidential Client in California
17 February
Tierra Group to develop an OMS Manual for TSF3 for Buenavista
12 February
Tierra Group is awarded the Settlement Pond Reevaluation Project in Colorado
8 February
Tierra Group is awarded the Crimea Diversion Channel CQA project
5 February
Tierra Group is awarded the Stibnite ASACO Support project by Perpetua Resources
4 February
Tierra Group partners with Enegix to provide Development Support for the Willow Creek Project
22 January
Calibre Mining awards Tierra Group the El Limon 2021 Monitoring project in Nicaragua
22 January
Tierra Group is awarded the Heap Leach CQA and Design for the San Antonio Project in Mexico
20 January
Tierra Group welcomes Jason Dingess to the Team!
15 January
Minera Sapuchi awards Tierra Group the San Antonio Heap Leach Facility project in Mexico
8 January
Tierra Group awarded the Dam Decommissioning of a Confidential Project in California
4 January
Tierra Group is awarded a Desktop Technical Review of a Confidential Project in Arizona
23 December
Tierra Group is awarded the New Jersey Mill TSF Raise Design and Permitting project
18 December
Tierra Group to perform Permitting Support for a Confidential Client
17 December
SLR Consulting partners with Tierra Group for a Seismic Hazard Assessment
23 November
Tierra Group sends it’s thoughts and prayers to our friends and clients throughout Central America affected by hurricanes Eta and Iota.
18 November
Tierra Group proudly announces that Teammate, Dante Bolanos obtained his U.S. Citizenship!
8 October
Tierra Group to perform a Feasibility Study Update for the Kiaka Project
8 October
Tierra Group partners with a new client, Quintana Resources!
5 October
New Jersey Mining Company partners with Tierra Group
25 September
Tierra Group welcomes Andres Orosco to the Team!
17 September
Tierra Group partners with a new Client, Kiewit Engineering Group, to provide Design Consulting services for several projects.
14 September
Tierra Group welcomes Dan Cambra to the Team!
14 September
Natalia Soares Rodrigues rejoins the Tierra Group Team!
1 September
Tierra Group partners with a new client, Grupo Mexico
1 September
American Pacific Honduras awards Tierra Group the Soledad Tailings Storage Facility Phase 5 Expansion Design at Mina El Mochito in Santa Barbara, Honduras
11 August
Tierra Group to perform 2020 Annual Dams Inspection for Klondex Aurora Mine
31 July
Tierra Group to provide support to Hecla-Klondex in a Dam Raise Engineering Design change
29 July
Tierra Group develops a Photogrammetry Study for the El Brocal Mine in Peru
16 July
Nevada Gold Mines awards Tierra Group a Geotechnical Investigation for the JD Ranch Dam Project in Nevada
15 July
Tierra Group to Design a Washdown Pad for a mining project in New Mexico
8 July
Hecla Mining awards Tierra Group an Assessment for a Weather Station Install in Nevada
1 July
Tierra Group designs a Seepage Collection site in California
18 June
Tierra Group begins the Stage 10 Freeboard Reduction Project
11 June
Tierra Group to design evaporation ponds for a mining project in California
11 June
Tierra Group to provide Stormwater Support to Douglas County in Colorado
10 June
Andina awards Tierra Group the Engineering Review and CQA for the Veladero Project in Argentina
8 June
Tierra Group is awarded a Metallurgical Technical Review of a Confidential Project in Canada
5 June
Anagold selects Tierra Group to perform a Technical Review of the Copler TSF and HLF in Turkey
28 May
Nevada Gold Mines awards Tierra Group an Assessment of the JD Ranch Dam
27 May
Tierra Group to perform a Slope Stability Analysis for Troy Resources
21 May
Tierra Group is awarded a Technical Review of Project Track by a Confidential Client
20 April
Tierra Group to perform a Detailed Engineering Design for Pan American Silver
17 April
Justin Knudsen obtains Professional Engineer license in New York
15 April
Samuel Engineering selects Tierra Group to provide an update to the Mexican Hat Project's Preliminary Economic Assessment
30 March
Vista Gold awards Tierra Group an Independent Technical Review of the Mt. Todd Tailings Storage Facility in Northern Territory, Australia
16 March
Kimberly Young joins Tierra Group as an Executive Assistant in Lakewood, CO
12 March
Minera Plata Real selects Tierra Group to provide design and CQA services for a new Tailings Storage Facility at Los Gatos Mine in Mexico
10 March
Troy Resources awards Tierra Group the pre-feasibility design of the Hick Pit at Karouni Mine in Guyana
9 March
Tierra Group is awarded a Tailings Re-processing Metallurgical Review for a Confidential Client in Mexico
9 March
Lane Xang Minerals selects Tierra Group to perform Resident Engineering and CQA during Heap Leach Facility construction at Sepon Mine in Laos
5 March
Tierra Group to implement a Corporate Tailings Stewardship Program at Antofagasta Minerals' Los Pelambres Copper Mine in the Coquimbo Region of Chile
1 March
Tierra Group attends Prospectors and Developers of Canada (PDAC) Annual Meeting in Toronto; 1-4 March
24 February
Tierra Group attends MineXchange SME 2020 in Phoenix, Arizona; 24-27 February
10 February
Tierra Group presents Tailings Dam Design and Management at the Nevada Water Resources Association Dam Safety Symposium in Las Vegas, NV; 10 Feb
28 January
Artmin selects Tierra Group International to provide Waste Dump Facility and Surface Water Management designs at Hod Mine in the Artvin Province of Turkey
22 January
Calibre Mining extends Tierra Group International contract to provide Annual Monitoring and Dam Inspection services at El Limón Mine in Nicaragua
20 January
Tierra Group attends AME Roundup 2020 in Vancouver, Canada; 20-23 January
13 January
Shawn Murphy joins Tierra Group International as an Environmental Engineer in Salt Lake City, UT
1 January
Tierra Group International, Ltd. Celebrates its Eighth Anniversary!
31 December
Julio Juarez receives Certificate of Achievement in Tailings Management from The Mining Association of Canada
9 December
Miguel Gutierrez joins Tierra Group International as a Sr. Geotechnical Engineer in Lakewood, Colorado
5 December
Tierra Group holds its Semi Annual Meeting and Christmas celebration in Phoenix, Arizona; 5-8 December
4 December
Anglo American Quellaveco contracts Tierra Group International, S.A.C. to provide Geotechnical and Hydrogeological Drilling Supervision at the Quellaveco Mine in the Moquegua Region of Perú
6 November
Matt Bender joins Tierra Group International as a Director of Metallurgy in Lakewood, Colorado
28 October
Patricia Garcia joins Tierra Group International, Ltd. as an Administrative Assistant in Lakewood, Colorado
23 October
Tierra Group attends Second Annual Idaho Mining Conference hosted by Idaho Mining Association and SME -Boise Section in Boise, Idaho
23 October
M3 Engineering chooses Tierra Group to provide a Heap Leach Facility Detailed Design for the Camino Rojo Mine in Zacatecas, Mexico
19 October
Condor Gold awards Tierra Group International a TSF Feasibility Design at La India Mine in Leon, Nicaragua
14 October
Natalia Soares Rodrigues joins Tierra Group International as a Geotechnical Engineering Intern in Lakewood, Colorado
10 October
Kinross Gold US selects Tierra Group to conduct a Spent Heap Leach Handling Evaluation at Bald Mountain Mine in White Pine County, Nevada
8 October
Tierra Group International is awarded a Peer Review of INR's Gediktepe Gold Mine in Balikesir, Turkey
1 October
Tierra Group to develop a Blast Vibration Monitoring Program for a confidential client in Nevada
1 October
Tierra Group International attends Southern Peru Copper Corporation Golf Tournament
24 September
B2Gold selects Tierra Group International to provide Tailings Storage Facility Phase 2 Construction Quality Assurance services at the Fekola Mine in Mali, Africa
19 September
Tierra Group International to provide a Water Balance Model for National Oilwell Varco's Big Ledge Mine near Wells, Nevada
16 September
Tierra Group International S.A.C. attends Perumin 2019 in Arequipa, Perú; 16-20 September
10 September
Asarco, LLC’s Hayden Mine (Arizona) chooses Tierra Group International to develop a Tailings Storage Facility Operation Maintenance and Surveillance (OMS) Manual
9 September
Shanna Brown joins Tierra Group International as an Engineering Technician in Elko, Nevada
3 September
RPM Global selects Tierra Group International to provide a 3rd Party Pit Slope Design Technical Review for a confidential client in British Columbia, Canada
22 August
Agnico Eagle awards Tierra Group International the La India Heap Leach Facility Phase 3 Geotechnical Investigation in Sonora, Mexico
14 August
Tierra Group International S.A.C. is awarded a Pit Design Review at Troy Resources’ Karouni Mine in Guyana
18 July
Marvin Silva obtains Professional Engineer license in New York
11 July
Sandfire Resources America, Inc. selects Tierra Group International to serve as Engineer of Record for their Black Butte Copper Tailings Storage Facility in White Sulphur Springs, Montana
9 July
Tierra Group International selected as Engineer of Record for the TSF5a phase of Aurcana Corporation’s La Negra Mine in Maconi, Mexico
8 July
Tierra Group's presentation "The 'Infamous' Legacy of Upstream Tailings Dams" is featured in the July edition of SME's Mining Engineering magazine
26 June
Jiny Carrera welcomes her daughter Ariadna Sophia; 6 lbs., 9 oz. and 19.7 inches
19 June
Tierra Group International hosts their 7th Annual Client Appreciation Golf Invitational at Hiwan Golf Club in Evergreen, Colorado; 20 June
16 June
Mako Mining selects Tierra Group International and Tes-Oro Mining Group, to design and support construction of the San Albino Mine in Nueva Segovia, Nicaragua
6 June
Consorcio Acciona selects Tierra Group International S.A.C. to provide CQA services at the Antamina Mine in Huaraz, Perú
4 June
Tierra Group attends Elko Mining Expo 2019 in Elko, Nevada; 5-7 June 2019
4 June
Tierra Group presents at the Brazilian Mining Association Forum for Engineering Design and Management Best Available Technologies and Technology Transfer; 5-6 June 2019
20 May
Arizona Minerals, Inc. selects Tierra Group International to provide Tailings Storage Facility Design Review for the Hermosa Project located in Patagonia, Arizona
14 May
Black Mountain Sand selects Tierra Group International to conduct a Geotechnical Investigation at proposed Lost Creek Project in Colorado
14 May
Great Panther Silver selects Tierra Group International to provide a TSF Cover Design and Installation Monitoring for Topia Mine in Durango State, Mexico
2 May
Continental Gold renews Tierra Group International’s contract to provide Tailings Stewardship Services at the Buriticá Project in Antioquia State, Colombia
26 April
Matt Fuller presents "The Legacy of Upstream Tailings Dams" at SME MPD Conference; 26 April
24 April
Tierra Group attends 69th Annual SME MPD Conference in Colorado Springs, Colorado; 25-27 April
14 April
Tierra Group publishes "The Legacy of Upstream Tailings Dams"
12 March
Justin Knudsen obtains his Montana PE license
11 March
Luke Jacob joins Tierra Group International, Ltd. as a Staff Engineer in Elko, Nevada
1 March
Tierra Group attends Prospectors and Developers of Canada (PDAC) Annual Meeting in Toronto; 3-6 March 2019
24 February
Monica Moncada and Matt Fuller to present “South American Tailings Management Update” in the International Session at 2019 SME Conference 27 February 2019
13 February
Jonathan Manning joins Tierra Group International, Ltd. as a Staff Engineer in Elko, Nevada
10 February
Dan Mitchell joins Tierra Group International, Ltd. as a Staff Engineer in Elko, Nevada
3 February
Dante Bolanos, P.E. joins Tierra Group International, Ltd. as a Sr. Project Engineer in Tucson, Arizona
28 January
Tierra Group International, Ltd. quoted in Reuters News Brumadinho Tailings Dam Disaster article
14 January
Scott Ureel joins Tierra Group International, Ltd. as a Project Engineer in Elko, Nevada
31 December
Tierra Group International, Ltd. celebrates its Seventh Anniversary!
7 November
As a featured speaker, Pete Kowalewski presented Tailings Stewardship during the Operational Session at the Inaugural Idaho Mining Conference in Boise, Idaho; 16 November
8 October
Jim Shultz welcomes his granddaughter Opal Marcella Shultz; 8 lbs., 1 oz. and 20 inches
1 October
Tierra Group attends Tailings & Mine Waste 2018 in Keystone, Colorado; 30 Sept - 2 Oct
24 September
Julio Juarez attends XIX Congreso Peruano de Geología in Lima, Perú; 23-26 September
5 September
MMG Limited selects Tierra Group International, SAC to provide geological and geotechnical logging services for the Ferrobama open pit at their Las Bambas Copper Mine in the Apurimac Department Perú
4 September
Pete Kowalewski attends Nevada Mining Association Convention 2018 in Lake Tahoe, Nevada; 5-8 September
3 September
Monica Hernandez Moncada joins Tierra Group International, S.A.C. as a Sr. Geotechnical Engineer in Lima, Peru
26 August
Eric Miller joins Tierra Group International, Ltd. as a Staff Engineer in Lakewood, Colorado
31 July
Vladimir Miñano becomes an Autodesk Certified Professional in AutoCAD Civil 3D
25 July
Pete Kowalewski obtains Professional Engineer licenses in Minnesota and South Dakota
16 July
Justin Knudsen obtains Professional Engineer licenses in Minnesota, South Dakota, and Idaho
10 June
Richard Salas joins Tierra Group International, Ltd. as a Staff Engineer in Salt Lake City
7 June
Great Panther Silver selects Tierra Group International to provide a Preliminary Engineering Analysis for Topia Mine in Durango State, Mexico
5 June
Tierra Group to attend 2018 Elko Mining Expo; 4-8 June in Elko, Nevada
31 May
Tierra Group publishes "In Pit Tailings Storage - Converting Liabilities Into Assets" by Matt Fuller, CPG, P.Geo
28 May
Dr. Marvin Silva obtains Professional Engineer license in Alaska
17 May
McEwen Mining awards Tierra Group an In-Pit Tailings Storage Evaluation at the El Gallo Project in Mexico's Sinaloa State
15 May
U.S. Mine Corporation awards Tierra Group International an Evaporation Pond Design and Tailings Storage Facility Evaluation at the Victoria Mine near Elko, Nevada
6 May
St. Lawrence Zinc Co. awards Tierra Group a Tailings Storage Facility Design Review project at Empire State Mines in St. Lawrence County, New York
22 April
Minera Aruntani awarded Tierra Group a project to perform a complementary stability analysis of the heap leach pad at the Apumayo Mine located in the Ayacucho department of Southern Peru
20 February
Matt Fuller obtains licensure as a Professional Geoscientist with The Association of Professional Engineers and Geoscientists of British Columbia
6 February
Tierra Group International, Ltd. awarded an Independent Tailings Review at SSR Mining, Inc’s. Pirquitas Mine in Jujuy Province Argentina.
14 January
Minsur S.A. awarded Tierra Group International SAC a leach pad and waste rock dump Electrical Tomography and analysis project at their Pucamarca Mine in Tacna, Perú
11 January
Tierra Group International, Ltd. conducts underground mine consultation at Kerr Mines, Inc. Copperstone Mine in Arizona
2 January
Johnny Prettyman obtains Professional Engineer license in Utah
31 December
Tierra Group International, Ltd. Celebrates its Sixth Anniversary!
11 December
Southern Copper (Grupo Mexico) awards Tierra Group International, Ltd. a Tailings Storage Facility Engineering Design Review at its Toquepala Mine in Tacna, Perú
28 November
Tierra Group to attend 2017 AEMA Meeting in Reno, Nevada; 4-8 December
28 November
Tierra Group to attend Annual SME Arizona Conference in Tucson, Arizona; 3-4 December
20 November
Pete Kowalewski obtains Professional Engineer license in New Mexico
5 November
Tierra Group International is selected to perform the Detailed Design of the Phase 5 Heap Leach Pad at Agnico Eagle's Crestón Mascota Mine
19 October
Tierra Group International's Marvin Silva has been selected to sit on Quinsam Coal's Independent Tailings Review Board
18 October
Tierra Group to attend the XXXII International Mining Convention 25-28 October in Guadalajara, Mexico
17 October
Grupo Mexico awards Tierra Group a geotechnical and geological drilling supervision project at Southern Peru Copper's Toquepala Mine
1 October
Karen Davenport joins Tierra Group International, Ltd. as a Civil Engineer in Salt Lake City, Utah
5 September
Tierra Group attends the Nevada Mining Association Convention 6-9 Sept in Lake Tahoe, Nevada
7 August
RPA, Inc. awards Tierra Group tailings design for Gold Reserve Inc.’s Brisas-Cristinas NI 43-101 Preliminary Economic Assessment in Bolivar, Venezuela
7 August
Gold Reserve, Inc. awards Tierra Group conceptual oxide tailings storage facility design in Bolivar, Venezuela
17 July
Tailings Stewardship and Environmental Protection
27 June
Kerr Mines. Inc. awards the Copperstone Prefeasibility Study to Hard Rock Mining Consultants teamed with Tierra Group International, Ltd.
21 June
Tierra Group hosts their 5th Annual Client Appreciation International Golf Invitational at Hiwan Golf Club in Evergreen, Colorado
7 June
Tierra Group International to attend Elko Mining Expo, 8-9 June in Elko, Nevada
31 May
Tierra Group publishes "Tailings Stewardship: Training from the Tailings Beach to the Board Room"
31 May
Jim Willis promoted to Sr. Project Manager
28 May
Lydian International Ltd. awards Tierra Group International, Ltd. a 3rd party technical review of the Amulsar Gold Heap Leach Facility Design in Vyots Dzor Province, Armenia
16 April
Tierra Group signs Master Services Agreement with Kinross Gold Corp. to serve as independent experts on their corporate tailings review board
9 April
Jesús Luis Torres joins Tierra Group International, SAC as a Junior Geological Engineer in Lima, Peru
2 April
Tierra Group signs contract with Minera Metalurgico del Boleo S.A. to provide an independent, tailings facility design peer review at their Boleo Mine in Baja Sur Mexico
26 March
Tierra Group International, Ltd. awarded a Tailings Management Conceptual Study at Don David Gold’s (Gold Resources Corp) El Aguila mine in Oaxaca, Mexico.
5 March
Tierra Group International's Matt Fuller to sit on Stillwater Mining's East Boulder Mine tailings storage facility Independent Review Panel
2 March
Tierra Group awarded leak detection project with Timmins Gold Corp. at their San Francisco Mine in Sonora Mexico
28 February
Tierra Group attends Prospectors and Developers of Canada (PDAC) Annual Meeting in Toronto; 5-8 March
18 February
Tierra Group International attends SME Annual Meeting in Denver, CO
4 February
Philip River Prettyman is born to Johnny and Tasha Prettyman. 8 lbs, 6 oz., 21 inches long. Mom and baby are doing great.
29 January
Tierra Group International, Ltd. helps Morumbi Resources Inc. successfully secure a $15M insurance policy for their Tailings Storage Facilities at Mina El Mochito, Honduras
11 January
Tierra Group International, Ltd. awarded project to provide Corporate Tailings Stewardship Services at Couer Mining, Inc.’s Palmarejo Mine in Chihuahua, Mexico
8 January
Tierra Group International, SAC awarded contract at Barrick Misquichilca’s Mina Lagunas Norte to perform hydraulics and water quantification engineering study
31 December
Tierra Group International celebrates its Fifth anniversary!
14 December
Tierra Group International, Ltd. makes final principal payment on business loan taken out in 2012 to fund company start-up, making them debt-free
4 December
Tierra Group attends American Exploration & Mining Association Annual Conference 5-9 Dec in Reno, NV
3 December
Tierra Group attends SME Arizona Conference 4-5 Dec in Tucson, Arizona
28 November
Tailings Stewardship - Adding Value to Due Diligence
10 November
Tierra Group International, Ltd. is awarded the Engineer of Record role at Barrick's McLaughlin Mine in Northern California
6 November
Troy Holm joins Tierra Group International, Ltd. as Sr. Civil 3D Designer in the Lakewood, CO
2 November
Compañia Minera Antapaccay awards Tierra Group International, SAC a Geotechnical Instrumentation Monitoring and Data Processing project at Antapaccay Copper Mine in Espinar Province, Cuzco, Perú
2 November
Tierra Group is awarded Geotechnical Instrumentation Monitoring project with Tintaya-Antapaccay in Perú
17 October
Julio Juarez presents Tailings Stewardship Services at the Colegio de Ingenieros del Peru in commemoration of Geological Engineering Week in Lima
13 October
Tierra Group contracts with Gold Resource Corporation to perform a peer review of the Isabella - Pearl Heap Leach Facility Design in Nevada
5 October
Field Identification and Mitigation of Geosynthetic Clay Liner Seam Separation in a Tailings Impoundment Composite Liner System
5 October
Solution Collection Pipes on Slopes
5 October
Stress Redistribution of Adjacent Solution Collection Pipes
4 October
Tierra Group awarded Phase 1 Peer Review and Phase 2 TSF Design for Aura Minerals 43-101 Compliant Feasibility Study at the Ernesto e Pau-a-Pique mine in Mato Grosso, Brazil
30 September
Tierra Group International, SAC expands its office space in Lima, Peru
30 September
In conjunction with the Fourth International Conference on Heap Leach Mining Solutions, Tierra Group International SAC is hosting an Open House on Wednesday, October 19th at our Lima office location
29 September
Alcides Panez joins Tierra Group International, SAC as a Civil Engineer in Lima, Peru
22 September
Tierra Group to attend Tailings and Mine Waste '16 October 2nd - 5th in Keystone, Colorado. Pete Kowalewski to present technical paper
18 September
Tierra Group is awarded Tailings Storage Facility Optimization Study at Texel Capital, Ltd.'s Orotex Mine Project in Costa Rica
5 September
Pete Kowalewski attends the Nevada Mining Association Convention September 7th - 10th in Lake Tahoe, Nevada
5 September
Jim Shultz attends XV Congreso de Ingeniería Civil 2016; September 7th - 10th in San Jose, Costa Rica
8 August
Marvin Silva and Francisco Barrios to attend International Conference on Heap Leach Mining Solutions; 18-20 October, Lima, Peru. Marvin Silva to present 2 technical papers.
8 August
Tierra Group contracts with B2Gold to perform the Tajo Crimea Investigation and Preliminary Evaluation at La Libertad Mine in Nicaragua
10 July
Tierra Group contracts with Endeavour Silver to provide Tailings Stewardship Services at El Cubo, Bolanitos and Guanacevi mines in Mexico
23 June
Tierra Group International hosts their Semi-Annual Meeting (SAM) 24-25 June in Lakewood, CO
17 June
Tierra Group will host their 4th Annual Client Appreciation International Golf Invitational at Hiwan Golf Club in Evergreen, Colorado on June 23rd
14 June
Dessire Lopez joins Tierra Group International, Ltd. as an Administrative Intern in Lakewood, CO
9 June
Tierra Group signs engagement letter with Texel Capital, Ltd for the Orotex Mine Project in Costa Rica
5 June
Sergio Castaneda joins Tierra Group as an Engineering Intern in Elko, Nevada
31 May
Josh Prettyman is promoted to Staff Engineer III
26 May
Jared Purdy obtains his California PE license
22 May
Bob Beach joins Tierra Group International, Ltd. as a Staff Engineer in Lakewood, CO
12 April
Nettie Quintana joins Tierra Group International, Ltd. as Senior Engineering Technician in Elko, NV
29 March
The Electrum Group awards Tierra Group Los Lirios Water Characterization and Baseline Study Project in Honduras
27 March
Torex Gold Resources awards Tierra Group a contract to develop a Dry Stack Tailings Monitoring Plan at their Morelos Mine in Guerrero, Mexico
5 March
Tierra Group to attend Prospectors and Developers of Canada (PDAC) Annual Meeting in Toronto
2 March
Tierra Group becomes an Organizing Committee Member and Sponsor of the Tailings and Mine Waste Conference
22 February
Nyrstar awards Tierra Group contract to provide corporate Tailings Stewardship services for all of their mines in the Americas; Canada, U.S., Mexico, Peru and Chile
21 February
Tierra Group attends SME Annual Meeting in Phoenix, Arizona
21 February
Elizabeth Ayala joins Tierra Group International, S.A.C. as Assistant to the General Manager in Lima, Perú
31 December
Tierra Group International, Ltd. Celebrates its 4th Anniversary!
29 December
Joshua Prettyman obtains Professional Engineer licensure in Utah
20 December
Tierra Group signs Master Services Agreement to provide Tailings Stewardship Services to Jaguar Mining Inc. at their Caeté, Paciencia and Tourmalina Mines in Minas Gerais, Brazil
13 December
Tierra Group is awarded B2Gold’s Fekola Mine Construction Project Earthworks and Concrete Construction Quality Control (CQC) services contract in Mali, Africa
2 December
Jiny Carrera obtains Permanent Resident Status in the United States
24 November
Tierra Group signs Master Services Agreement with JDS Mining & Energy to perform an EIA Review for the Buritica Project in Antiocha, Colombia
10 November
Jim Shultz attends Congreso Internacional de Mineria “La emergente industria minera en Centroamerica: Retos y oportunidades” November 11th - 13th in Panama City, Panama
8 November
Carla Arllentar joins Tierra Group International, S.A.C. as Administrative Assistant in Lima, Perú
3 November
Tierra Group awarded Construction Quality Assurance Services project at B2Gold's Fekola Mine Development Project in Western Mali
25 October
Matt Fuller presents "Tailings Stewardship - Genuine Corporate Responsibility" at Tailings and Mine Waste 2015 Conference in Vancouver, B.C. on October 26th
18 October
Tierra Group signs Master Services Agreement with Lode Star Gold Inc. in Goldfield, NV
23 September
Advance copy of "Tailings Stewardship - 'Genuine' Corporate Responsibility", published for Tailings and Mine Waste 2015 Conference. Proceedings now available on our Publications page under News.
11 September
Pete Kowalewski and Francisco Barrios attend 3rd International Conference on Heap Leach Solutions September 12th - 16th in Reno, Nevada
8 September
Pete Kowalewski attends the Nevada Mining Association Convention September 9th - 12th in Reno, Nevada
28 August
Tierra Group receives a U.S. Trade and Development Agency grant to attend the Asia International Mining Expo in Sydney, Australia, 1-4 September 2015
23 August
Tierra Group International, Ltd. sign Master Services Agreement with Newmont Mining
27 July
Tierra Group donates sports equipment to B2Gold's El Limon Youth Sports League
12 July
Tailings Stewardship - Genuine Corporate Responsibility
30 June
Tierra Group signs Master Services Agreement with Empresa Minera Paititi S.A. to provide Tailings Stewardship service at their Don Mario Mine in Bolivia
24 June
Tierra Group hosts their 3rd Annual Client Appreciation International Golf Invitational at Hiwan Golf Club in Evergreen, Colorado.
23 June
Tierra Group signs Master Services Agreement with Crocodile Gold Corp. in the Northern Territory of Australia
16 June
Tierra Group signs Master Services Agreement with Agnico Eagle Mexico S.A. de C.V. to provide geotechnical and water resources engineering services.
14 June
Marco Noa joins Tierra Group as Civil-Hydrological Engineer in Lima, Perú
31 May
Francisco Barrios joins Tierra Group as Project Manager in Southwest Region office in Arizona
10 May
Marvin Silva, Ph.D., P.E., P.Eng. joins Tierra Group as Senior Geotechnical Consultant in Tierra Group's Southwest Region office in Arizona
30 April
Joshua Prettyman passes the Utah PE Exam
23 April
Goldcorp, Inc. signs contract with Tierra Group to provide Tailings Stewardship Strategy Services at all of Goldcorp's operating mines in Latin America
22 April
Tierra Group has been accepted into the Asociación Costarricense de Geotécnia in San Jose, Costa Rica
9 April
Elko office moves to a new location: Effective April 20th we will be located at 222 9th Street
25 March
Santacruz Silvers' Rosario Mine resumes production upon completing Tierra Group's design-build Geotube Tailings Containment Facility
10 March
Tierra Group to determine feasibility of re-commissioning tailings storage facility at Santacruz Silver Rosario Mine in Mexico
4 January
Daniel Granda, P.E. joins Tierra Group as Project Geotechnical Engineer in Lakewood office
31 December
Tierra Group International celebrates its third anniversary!
29 December
Tierra Group closes on a new building in Elko, Nevada
18 December
Tierra Group signs a Master Services Agreement with Oracle Mining Corp. to develop a Final Feasibility Study for the Oracle Ridge Copper Project in Arizona
17 December
Tierra Group International’s client Midas Gold Completes Positive Preliminary Feasibility Study for Stibnite Gold Project, Idaho. Learn more at:
14 December
Mike Nelson, P.E. joins Tierra Group International as a Senior Consultant in the Lakewood, Colorado office
8 November
In conjunction with the Second International Conference on Heap Leach Solutions, Tierra Group International SAC is hosting an Open House on Tuesday, November 11th at our new Lima office location
2 November
Johnny Prettyman joins Tierra Group International as Staff Engineer in Salt Lake City office
13 October
Tierra Group signs new contract with Aurcana Minerals at La Negra Mine in Querétaro, Mexico
19 September
Tierra Group International, Ltd.’s company logo receives Registered Trademark status with the United States Patent and Trademark Office
15 September
Justin Knudsen obtains his Missouri PE
14 September
Vladimir Miñano joins Tierra Group International, S.A.C. as Project Engineer in Lima, Perú
1 September
Matt Fuller to present keynote address at Geosynthetics in Mining Conference September 8th - 11th in Vancouver, Canada
1 September
Pete Kowalewski and Matt Fuller attend the National Mining Association Annual Meeting September 3rd - 5th in Reno, NV
31 August
On September 1st Tierra Group International, S.A.C. opens office at Avenida Larco 853, Oficina 301, Miraflores-Lima, Perú
24 August
Tierra Group kicks off Aranzazú project in Zacatecas, Mexico
22 August
Tierra Group signs contract with American Gypsum in Gypsum, Colorado
21 July
Lily Málaga joins Tierra Group International, S.A.C. as Administrative Manager in Lima, Perú
30 June
Tierra Group International, Ltd. announces the opening of Tierra Group International S.A.C. in Lima, Perú.
30 June
Julio Juarez joins Tierra Group as General Manager of Tierra Group International S.A.C. in Lima, Perú.
25 June
Tierra Group hosts their 2nd Annual Client Appreciation International Golf Invitational at Hiwan Golf Club in Evergreen, Colorado.
12 May
Beth Knudsen joins Tierra Group as Administrative Manager in Lakewood, CO
29 April
Tierra Group signs Master Services Agreement with The Doe Run Company to provide multiple site tailings engineering stewardship services
23 April
Matt Fuller presents “Advances in Tailings Handling – A Clarification of Conventional, Thickened, Filtered and Paste Tailings” at SME MPD 2014 Annual Meeting
3 April
Tierra Group signs contract with Aura Minerals, Inc. at their San Andres Mine in Honduras
26 February
Tierra Group signs contract with Gold Resource Corporation at their El Aguila Mine in Mexico
25 February
Uncertainty in PMP and Recurrence Interval-Based Design Storm Estimates from Sparse Data
25 February
Gene Bosley presents Technical Paper at SME in Salt Lake City
31 December
Tierra Group Celebrates its Second Anniversary!
8 December
Michael Goodhue passes his PE exam
19 November
Tierra Group International signs new contract with Klondex Gold & Silver Mining Company for a new WRSF at Fire Creek Mine
2 September
Justin Knudsen is promoted to Sr. Project Manager
8 August
Tierra Group signs new contract with Waterton for a TSF Final Permanent Closure Plan at Esmeralda Mill
21 July
Tierra Group signs new contract with Nyrstar Mexico for Campo Morado Operations
17 July
Tierra Group signs new contract with B2Gold for Masbate Water Treatment Plant Design in the Philippines
30 June
Jiny Carrera, Project Geotechnical Engineer, joins Tierra Group International Team
25 June
Tierra Group signs contract with Sterling Gold Mining Corporation, our 15th client
24 June
Tierra Group signs new contract with Sonoran Resources
23 June
Sam Holcomb, Staff Engineer, joins Tierra Group International Team
23 June
Tierra Group signs contract with Rosemont Copper, our 14th Customer
11 June
Tierra Group signs contract with Waterton Global Mining Company, our 13th customer
5 June
Tierra Group signs contract with Jaguar Mining Inc., our 12th customer
31 May
Tierra Group completes Mine Planning Optimization Study in the Philippines
27 May
Sean Robinson, Staff Engineer, joins Tierra Group International Team
12 May
Andrew Leman, Staff Engineer, joins Tierra Group International Team
4 May
Kevin Sessions, Staff Engineer, transfers from Salt Lake City to the Elko office
12 March
Tierra Group completes Blast Vibration Study for International Minerals
2 March
Tierra Group's Salt Lake City Office moves to its new location at 111 E. Broadway, Suite 220
26 February
Tierra Group signs contract with Midas Gold, our 11th Customer
1 February
Tierra Group Rolls Out New Website
30 January
Tierra Group registers in the State of Arizona
31 December
Tierra Group Celebrates 1 Year Anniversary!
19 September
Tierra Group Colombia registers in the Bogotá Chamber of Commerce
1 September
Tierra Group registers in the Idaho Board of Engineers
7 July
Tierra Group signs a contract with Knight Piésold Denver, our 9th Customer
26 June
Tierra Group signs contract with Great Basin Gold Ltd., our 8th Customer
18 June
Tierra Group signs contract with Douglas County Colorado our 7th Customer
11 June
Todd S. Street, P.E., Project Civil Engineer, joins Tierra Group Team
1 May
Troy W. Denning, P.E., Senior Civil Engineer, joins Tierra Group Team
30 April
Tierra Group begins working directly with Sonoran Resources, LLC, our 6th Customer
4 April
Tierra Group signs contract with Black Dolphin Consulting, LLC, our 5th Customer
27 February
Sheila Kluck, P.E., P.G., Senior Project Geotechnical Engineer, joins Tierra Group Team
20 February
Kevin Session, EIT, Staff Civil Engineer, joins Tierra Group Team
20 February
Joshua A. Prettyman, EIT, Staff Engineer, joins Tierra Group Team
20 February
Michael S. Goodhue, EIT, Staff Engineer, joins Tierra Group Team
24 January
Tierra Group signs contract with Nyrstar Honduras, our 3rd Customer
23 January
Tracey L. Rozelle, Project Assistant II, joins Tierra Group Team
23 January
James A. Willis, P.E., Project Engineer, joins Tierra Group Team
23 January
Adrien Butler, P.E., Project Civil Engineer, joins Tierra Group Team
23 January
Gene Bosley II, P.E., Senior Civil/Water Resources Engineer, joins Tierra Group Team
23 January
Justin W. Knudsen, P.E., Senior Civil/Geotechnical Engineer, joins Tierra Group Team
17 January
Tierra Group signs contract B2Gold Corp., our 2nd Customer
10 January
Tierra Group signs contract with Silver Standard Resources, Inc., becoming our 1st Customer!
1 January
Becky Kohl-Fuller, Finance Manager, joins Tierra Group Team.
1 January
Martha Sanchez-Hayre, Administrative Manager, joins Tierra Group Team.
1 January
Kari Kowalewski, Administrative Assistant, joins Tierra Group Team.
1 January
Peter E. Kowalewski, P.E., Principal Engineer, joins Tierra Group Team.
1 January
Matt Fuller, CPG, LEG, Principal Engineering Geologist, joins Tierra Group Team.
1 January
Tierra Group’s 1st day in business!
8 November
Tierra Group International, Ltd. files Articles of Incorporation with the Colorado Secretary of State.
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