June 30, 2021
Hecla-Klondex awards Tierra Group the 2021 Annual Dam Inspections for the Aurora Mine
June 4, 2021
Tierra Group partners with Woods Process Services to provide Process Design Support for the Madison Mine Project in Missouri
May 26, 2021
Hecla-Klondex awards Tierra Group the Fire Creek Permeability Testing project
May 18, 2021
Calibre Mining awards Tierra Group with the Guapinol Pit Pre-Feasibility Geotechnical Investigation at Desminic in Nicaragua
May 10, 2021
Tierra Group to conduct the San Jose TSF Technical Review for Quintana Resources
May 6, 2021
Tierra Group to provide Quintana Resource Corporate Tailings Management Standard
May 5, 2021
Calibre awards Tierra Group the San Jose EAP
April 28, 2021
Minera Andina del Sol S.R.L. awards Tierra Group International the contract for an Engineering Review of Phase 7
April 21, 2021
Tierra Group to provide Final Engineering Design for the Stage 4 TSF for the El Limon project
April 19, 2021
Tierra Group will provide an Independent Technical Review of Asarco’s four active TSFs