rock mechanics mining engineering hydrology ROCK MECHANICS Initially, Golder offered services in soil mechanics and foundation engineering. This rapidly expanded to include rock mechanics in the 1970s. Golder provided the team with geotechnical and geological investigations, geologic hazards evaluation, foundation engineering, rock mechanics and rock slope stabilization, retaining wall systems design, surface water hydrology/stream erosion, blast design and remediation, geophysical surveys and pavement design.