Glenwood Caverns

Colorado Division of Minerals & Geology

Colorado Springs Utilities

Climax Molybdenum Co.

U.S. Forest Service

Phelps Dodge

Mt. Emmons Mining Co.

ASARCO, Inc.

Homestake Mining Co.

U.S. Air Force

U.S. Bureau of Land Management

CDM Federal Programs, Inc (for EPA)

Aspen Skiing Corp.

Mt. Royale Ventures

Arrowhead Resources

Rock & Company Inc.

Weeminuche Construction (for Fed. Hwy. Admin.)

City of Fort Collins

Haseldon Construction, Inc.

Pikes Peak Mining Co.

Harvey’s Casino

Clear Creek Watershed Foundation

Bowie Resources Ltd.

Mactec / Harding

Walsh / Ecology & Environment

Honeywell Inc.

Environmental Evaluation Group (for DOE)