March 17, 2025
Endeavour Awards Tierra Group the 2025 Annual Water Management Support Project for Terronera
March 10, 2025
Tierra Group Welcomes Boyd Ratliff, P.E. to our Elko, NV Office!
March 6, 2025
Calibre Awards Tierra Group the Desminic La Libertad 2025 EoR Services
February 19, 2025
Tierra Group is thrilled to announce that Sean Robinson has passed the Principles and Practice of Engineering exam!
February 18, 2025
Collective Mining Awards Tierra Group the Apollo Conceptual Design Surface Infrastructure Project in Colombia
February 11, 2025
Calibre Awards Tierra Group the San Jose Stage 4B CQA (2025) Project
January 30, 2025
B2Gold Awards Tierra Group the Gramalote WRFs and TMF Feasibility Design Project in Colombia
January 7, 2025
Calibre Awards Tierra Group the San Jose TSF Phase 5 Permit Level Design
January 7, 2025
Calibre Awards Tierra Group the Crimea TSF Phase 3 Permit Level Design
January 7, 2025
Tierra Group is Awarded the La Esperanza TSF Feasibility Level Closure Design by Calibre