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Molycorp Questa Mine

Molybdenum ore is mined by block caving methods at Molycorp’s Questa Mine.  AAI has provided geotechnical consulting services to the mine since 1979 as follows: Evaluation of decline rock support [...]

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Mountain Coal Company

West Elk Mine—Somerset, CO AAI has provided underground geotechnical engineering services to Mountain Coal Company’s West Elk Mine since the 1980s.   Services include installation of geotechnical [...]

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SUFCO Mine—Huntington, UT

Canyon Fuel Company Longwall Mining—Shield Support Densities AAI has performed a full range of geotechnical analyses for SUFCO in support of their longwall operations, including pillar design, [...]

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