United States Department of Agriculture, Natural Resources Conservation Service and Forest Service ; in cooperation with United States Department of the Interior, Bureau of Indian Affairs and Bureau of Land Management, and Montana Agricultural Experiment Station
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with Colorado Agricultural Experiment Station and United States Department of the Interior, Bureau of Land Management
United States Department of Agriculture, Natural Resources Conservation Service, United States Department of the Interior, Bureau of Land Management ; in cooperation with the Arizona Agricultural Experiment Station
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with United States Department of the Interior, Bureau of Land Management, and Montana Agricultural Experiment Station
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with the Regents of the University of California (Agricultural Experiment Station) and the United States Department of the Interior, Bureau of Land Management
United States Department of Agriculture, Soil Conservation Service ; in cooperation with United States Department of the Interior, Bureau of Land Management, and University of Wyoming, Agricultural Experiment Station
U.S. Department of Agriculture, Soil Conservation Service ; in cooperation with U.S. Department of the Interior, Bureau of Land Management, and Utah Agricultural Experiment Station
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with United States Department of the Interior, Bureau of Land Management, and University of Nevada Agricultural Experiment Station
United States Department of Agriculture, Soil Conservation Service ; in cooperation with United States Department of the Interior, Bureau of Land Management, and Oregon Agricultural Experiment Station
United States Department of Agriculture, Soil Conservation Service, in cooperation with the United States Department of Agriculture, Forest Service, United States Department of the Interior, Bureau of Land Management, and the Utah Agricultural Experiment Station
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with United States Department of the Interior, Bureau of Land Management, and Montana Agricultural Experiment Station