Spectrum Engineering

USA:

States:
	State of Idaho, Department of Environmental Quality – Bunker Hill Superfund Project, ID State of Kansas, Department of Health and Environment – 4 AML Coal Mines, KS State of Montana DEQ, Environmental Management Bureau – Zortman and Landusky Gold Mines (Reclamation, EIS, Operate 2 Water Treatment Plants and 1 Biological Treatment Plant), MT State of Montana DEQ, Mine Waste Cleanup Bureau – 100’s of AML Projects, MT State of Montana DEQ, Industrial and Energy Minerals Bureau State of Montana, Governor's Office – Streamside Tailings, Opportunity, MT State of Montana, Department of Fish, Wildlife & Parks – Comet Mine, MT State of Montana, Department of Natural Resources – Tongue River Dam Project, MT State of Utah, Division of Oil, Gas, and Mining – 25 Hardrock AML Projects (4,677 Sites through 2004) and 1 Coal Fire Project (10 Fires), UT State of Wyoming, Department of Environmental Quality – 3 AML Hardrock Mine Projects (265 Sites) and 1 Coal Fire Project (24 Coal Fires), WY

Federal Agencies:
	United States Army Corps of Engineers - Tennessee Tombigbee Waterway Project United States Forest Service (USFS) United States Bureau of Land Management (BLM) United States Environmental Protection Agency (EPA)

Coal Mine Utility Audits:
	Arizona Public Service – Peabody’s Navajo Mine Commonwealth Edison – Peter Kiewit’s Big Horn Mine & Black Butte Mine, WY and East Decker Mine & West Decker Mine, MT Detroit Edison – Peter Kiewit’s East Decker Mine and West Decker Mine, MT Idaho Power – Jim Bridger Mine, WY Kansas City Power and Light – Black Thunder Mine, WY Lower Colorado River Authority – Peter Kiewit’s East Decker Mine, MT Northern Indiana Public Service – Medicine Bow Mine and Cyprus Shoshone Mine, WY Northern States Power – Westmoreland’s Absaloka Mine and Colstrip Rosebud Mine, MT NRG Energy – Sunnyside Mine, UT Otter Tail Power – Knife River Coal's Beulah Mine, ND Southern California Edison – Peabody’s Navajo Mine Southwestern Electric Power Company – PRB Mine Audit Western Energy – Colstrip Rosebud Mine, MT Wisconsin Power and Light – Westmoreland’s Absaloka Mine, MT

Mining Companies (USA Projects):
	ARCO – Earthwork Design, Bonding Calculations, Economics, MT Caballo Rojo – Coal Mine Engineering, WY Cable Mountain Mining – Hardrock Mine Permit, MT Echo Bay Exploration – Haul Road Design, WA ECM – Hardrock Mine Litigation, Gold Mine, NV Garnet Mining – Permitting, MT Kaiser Coal – Hydrology for Chimney Rock, Colorado Coal, and York Canyon Mines, CO Kennecott Energy – Peer Review of Mine Plan and Economics for Antelope Coal Mine, WY Montana Talc – Reclamation Bond Calculation for the Johnny Gulch Talc Mine, MT Northwestern Resources – Purchase Economic Software Package Peabody Coal Company – North Antelope and Rochelle Coal Mine Designs, Reclamation Plans, Permitting, & Hydrology Thunder Basin Coal – Hydraulic Design of Little Thunder Diversion, WY Union Pacific – Purchase Economic Software Package Yellowstone Coal Company – Mine Plan, Geology, Geohydrology, MT Southern California Edison – Peabody’s Navajo Mine Southwestern Electric Power Company – PRB Mine Audit Western Energy – Colstrip Rosebud Mine, MT Wisconsin Power and Light – Westmoreland’s Absaloka Mine, MT

Private Industry (USA Projects):
	AquaTerra Consultants – Triton Coal Mine Hydrology, WY Billings Bench Water Association – Irrigation Canal, Billings, MT Burke, Williams & Sorensen Law Offices – Gravel Mine Evaluation, CA CH2M Hill – EPA Superfund Subcontract Work, Blackbird Mine, Lemhi, ID Crowley Law Firm – Express Pipeline, MT Diversified Trucking – Truck Repair Shop Oil and Solvent Evaluation, Billings, MT Inter-Fluve – Various Stream Evaluations, MT, ID, NJ, WA Kellogg Corporation – Tennessee Tombigbee Waterway, COE Evaluation Mission Engineering – Hydrology for Rabbit Creek Rock Drain, NV Molloy Law Firm – Expert Witness and Litigation Support, Eastern MT Moulton, Bellingham, and Longo Law Offices – Hydrology Study for Lawsuit, MT Moulton Law Office – Hydrology Study for Lawsuit, MT Murphy, Kirkpatrick and Fain Law Offices, Expert Witness and Litigation Support on Dam Failure, Eastern MT Rainier Bank – Arroyo Mine Evaluation & Expert Witness, NM Schafer and Associates – Streamside Tailings, Opportunity, MT Shumaker Trucking – GPS Subdivision Surveying, Great Falls, MT TerraGraphics – Bunker Hill Superfund Site, Idaho; Red River Restoration, ID; and Stibnite Mine Permit Application, ID Womack and Associates – Erosion Study, Eastern MT Woodward-Clyde – Stillwater Mine EIS, Nye, MT

INTERNATIONAL:

Israel:
	Pama Oil Shale Mine – Mine Design and Economics Arad Phosphate Mine – Mine Design, Geology and Economics Zin Phosphate Mine – Mine Design, Geology and Economics Etrog Proposed Phosphate Mine – Mine Design, Geology and Economics Zohar Proposed Phosphate Mine – Mine and Reclamation Design, Geology and Economics Yorkeam Proposed Phosphate Mine – Mine Design, Geology and Economics

South America:
	Exxon's El Cerrejon Coal Mine, Columbia – Dragline Feasibility Study