United States Department of Agriculture, Soil Conservation Service, in cooperation with United States Department of Agriculture, Forest Service, and University of California Agricultural Experiment Station
United States Department of Agriculture, Soil Conservation Service ; in cooperation with United States Department of Agriculture, Forest Service; United States Department of the Interior, Bureau of Land Management; and the Regents of the University of California (Agricultural Experiment Station)
United States Department of Agriculture, Soil Conservation Service ; in cooperation with United States Department of Agriculture, Forest Service ... [and others]
United States Department of Agriculture, Soil Conservation Service ; in cooperation with the Regents of the University of California (Agricultural Experiment Station)
United States Department of Agriculture, Soil Conservation Service in cooperation with The Regents of the University of California Agricultural Experiment Station