Rock mechanics assessments for surface and underground mines. Consulting, Operations support, Performance reviews services, Spanish and English capabilities. Comprehensive services by associating with partners. Specializes in Open pits, surfaces facilities and underground geotechnical services including: investigations, characterizations, analysis and design. Subterra LLC has been privileged to provide services to Goldcorp, Barrick, Kinross, Stantec, Hatch , MineTech and Tierra Group International, LTD. , in open pit and underground operations and feasibility studies.