April 15, 2021
Doe Run has engaged Tierra Group for Construction Support of the Sweetwater 1138 Raise
April 7, 2021
Tierra Group will perform a Geotechnical Field Investigation for a proposed Underground mine for Calibre Mining
March 26, 2021
Tierra Groups assists Hecla-Klondex with the Aurora TSF1 FPCP and TSF2 Closure Review
March 12, 2021
Tierra Group to support construction of two lined ponds by serving as Resident Engineer for a mine in Nevada
February 22, 2021
Tierra Group will support Engineering Management for Phase 2 Gap Analysis and Detailed Design for a Confidential Client in California
February 17, 2021
Tierra Group to develop an OMS Manual for TSF3 for Buenavista
February 12, 2021
Tierra Group is awarded the Settlement Pond Reevaluation Project in Colorado
February 8, 2021
Tierra Group is awarded the Crimea Diversion Channel CQA project
February 5, 2021
Tierra Group is awarded the Stibnite ASACO Support project by Perpetua Resources
February 4, 2021
Tierra Group partners with Enegix to provide Development Support for the Willow Creek Project