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 University of Florida, Institute of Food and Agricultural Sciences, Agricultural Experiment Stations, and Soil and Water Science Department; and Florida Department of Agriculture and Consumer Services
United States Department of Agriculture, Soil Conservation Service ; in cooperation with the Research Division of the College of Agricultural and Life Sciences, University of Wisconsin
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, Soil Conservation Service ; in cooperation with University of Florida, Institute of Food and Agricultural Sciences, Agricultural Experiment Stations, and Soil Science Department, and Florida Department of Agriculture and Consumer Services
United States Department of Agriculture, Soil Conservation Service ; in cooperation with Ohio Department of Natural Resources, Division of Water and Soil Conservation, Ohio Agricultural Research and Development Center; and Ohio Cooperative Extension Service