Statement of Qualifications

Earth and its environment provide the natural resources necessary for life. It is mankind’s most precious commodity, whose resources are finite, yet necessary to sustain and expand society. Using Earth’s natural resources modifies the environments natural balance creating both positive and negative impacts. The key to environmental management is balancing the effects of mankind’s earthly modifications to promote life while minimizing impacts harmful to achieving environmental balance. With respect to mankind’s natural resources (excluding water and air), it is said, “If it can’t be grown, it must be mined”. Think about it. It's a given. Developing Earth’s natural resources requires human interaction with the Earth and its environment. Tierra Group assists our customers to produce Earth’s natural resources in a way that minimizes harmful impacts to the environment, while maintaining a balanced sustainability, for continued beneficial uses. Tierra Group’s areas of environmental expertise include:

  • Baseline Studies
  • Environmental Assessments (EA)
  • Environmental Impact Studies (EIS)
  • Permitting
  • Environmental Monitoring
  • Forensics
  • Mined Land Reclamation and Closure

Tierra Group has performed our services on six continents in arid and temperate to extreme climates including;

  • Tropics
  • Semi-Arid and Arid
  • Mediterranean
  • Humid (Sub-Tropical and Continental)
  • Coastal Marine
  • Sub-Artic
  • High Altitude (above 4,000 masl)
  • Mountainous Terrain

By applying our forward thinking geotechnical, water resources, geologic hazards, and civil engineering expertise, Tierra Group has assisted our clients in successfully producing Earth’s natural resources while minimizing environmental impacts and creating balance in our diverse and precious environment.


Select Environmental Projects

Midas Gold Project

Midas Gold’s project is located in the remote central Idaho Rockies near the town of Yellow Pine.  It is a brownfields gold-antimony project featuring three open pits and an anticipated 22,000 tpd plant throughput, along with challenging terrain and environmental…

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Buriticá Tailings Stewardship & Cyanide Speciation

Tierra Group provided Tailings Stewardship Services for Continental Gold’s Buriticá Project in Antioquia, Columbia which included permitting support, Third-Party Review and construction and operations support. Tierra Group oversaw the development of a 2D hydrodynamic model to support the design of…

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Los Lirios Project

Los Lirios is a brownfields mine development project in southern Honduras. Los Lirios lies adjacent to an extensive shrimp-farming industry which raises water quality and supply awareness. Tierra Group is implementing a pre-development baseline water characterization study for the proposed…

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San Francisco Mine

Tierra Group conducted geo-electrical testing to locate leaks present in the geomembrane liners underlying a Solution Conveyance Canal, Sumps 1 and 2, and the Intermediate Pond at Timmins Gold Corp’s San Francisco Mine in Sonora, Mexico. Leak detection testing procedures…

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Cosmo Howley

Newmarket Gold’s Cosmo Howley Project Area (CHPA) is a gold mine in the Northern Territory (NT), Australia. An underground mine is currently in operation with planned underground expansion. CHPA contains several legacy open pits, waste rock dumps, and surface water…

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Mt. Todd Dam Assessment

Tierra Group conducted an Independent Technical review of Vista Gold Corp’s Mt. Todd Tailings Storage Facility Expansion in Northern Territory, Australia.

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Douglas County Public Works

Tierra Group updated the County’s Standard Operating Procedures (SOPs) for Municipal Operations to maintain the County’s compliance with the requirements for stormwater discharges from the County’s municipal separate storm sewer system (MS4) under the Colorado Discharge Permit System (CDPS). Tierra…

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American Gypsum

American Gypsum Pit Planning and Support Tierra Group began working at American Gypsum’s Eagle-Gypsum mine located in Gypsum, Colorado in 2014 evaluating haul road improvements. A trade-off study provided a tool for American Gypsum to evaluate safety improvements including alternative haul road…

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Equity Silver ITRB

Tierra Group's Matt Fuller, LEG, P.Geo. serves as one of three ITRB technical experts providing technical assurance of the Engineer of Record’s design and monitoring compliance with BC regulations, the Newmont Corporate Tailings Standard, and industry best practices.

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Morelos Mine

Tierra Group designed and implemented a stability and safety monitoring plan for Torex Gold’s Morelos Mine dry stack tailings storage facility (TSF). The monitoring plan includes installing inclinometers and vibrating wire piezometers, and training operations staff to download instrumentation readings.…

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Lost Creek Project | USA

Tierra Group is assisting Millcreek Mining and Black Mountain Sand with the preparation of permitting documents for the Lost Creek Project; including a preliminary Stormwater Management Plan, preliminary Groundwater Monitoring Plan, and general permitting exhibits. Tierra Group conducted a site geotechnical…

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Topia Mine

Topia Mine Phases 1-3Tierra Group supervised the first 3 phases of Geologic Mapping and Instrumentation Installation and developed a Mechanically Stabilized Earth Wall Design at Great Panther Silver’s Topia Mine in Durango, Mexico.

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