PARTIAL CLIENT LIST
Including subcontract and employment

• Adams County, Colorado
• Alcoa
• American Geological Services
• Anglo American Corp
• Applied Hydrology
• Asarco
• Bank of America
• BHP Billiton
• Bristol Bay Native Corporation
• Bruce Resources
• Cliffs Synfuel Corporation
• Consolidated Gold Fields
• Conzinc Riotinto (CRA)
• Cundill Meyers & Associates
• Cyprus-Amax
• Dames & Moore
• Dufford & Brown
• Eastern Hemisphere Petroleum
• Essar Steel
• ExxonMobil
• Geostat Systems
• Goldman, Robbins & Rogers
• Haligman & Lottner
• Hazen Research
• Husky
• J.E. Sinor Consultants
• La Plata County, Colorado
• Lignite Energy Council
• Mobil - Mining & Coal division
• Montgomery Little & McGrew
• NANA Regional Corporation
• National Park Service
• Natural Resource Holdings
• Newcrest
• Newmont
• New Mexico Research & Development Institute
• Occidental
• Odin Mining
• Pace Cameron Engineers
• Pennzoil
• Promethean
• Resource Technology Associates
• Rock Acquisition - Fairfield Resources
• Round Table Group
• Shell - coal and petroleum divisions
• Southern Pacific Railroad
• Sky Ute Sand & Gravel
• Stagg Engineering
• State Electricity Commission of Victoria
• Tangyanika Holdings
• Tetra Tech
• Union Pacific Railroad
• Union Pacific Resources
• US Department of Energy
• US Department of Interior - Bureau of Reclamation
• US Department of Justice
• US Steel
• Vintage Companies
• Weyerhaeuser
• Woodward-Clyde Consultants
• Zurich American Insurance