United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with United States Department of Agriculture, Forest Service; 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 United States Department of the Interior, Bureau of Indian Affairs, and Oregon 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, Natural Resources Conservation Service ; in cooperation with the Forest Service and the Oregon Agricultural Experiment Station