by Geoffrey S. Plumlee ... [and others] ; prepared by the U.S. Geological Survey and the Colorado Geological Survey in cooperation with the U.S. Bureau of Land Management
by Terry A. Kenney ... [and others] ; prepared in cooperation with the U.S. Department of the Interior Bureau of Reclamation and Bureau of Land Management
edited by Stanley E. Church, Paul von Guerard, and Susan E. Finger ; prepared in cooperation with the U.S. Department of Agriculture Forest Service, U.S. Bureau of Land Management, U.S. Environmental Protection Agency