by Paul Stephen Corn ... [and others] ; prepared in cooperation with the National Park Service, U.S. Fish and Wildlife Service, and Bureau of Land Management
USFS: Deschutes National Forest, BLM: Prineville District, USDI Bureau of Land Management and National Park Service, US Fish and Wildlife Service, and USDA Forest Service
sponsored in part by the Wilderness Society, in cooperation with National Park Service, U.S. Department of the Interior Bureau of Land Management, U.S Department of Agriculture Forest Service