prepared by the U.S. Department of Agriculture, Soil Conservation Service in cooperation with the Colorado Water Conservation Board, Mesa County, and the Town of Collbran
United States Department of Agriculture, Soil Conservation Service ; in cooperation with Jefferson County and the Colorado Agricultural Experiment Station
United States Department of Agriculture, Forest Service and Soil Conservation Service ; in cooperation with Colorado Agricultural Experiment Station, Colorado State University
United States Department of Agriculture, Soil Conservation Service ; in cooperation with United States Department of Agriculture, Forest Service, and Colorado Agricultural Experiment Station
prepared by the U.S. Department of Agriculture, Soil Conservation Service ; in cooperation with the Colorado Water Conservation Board and Rio Grande County, Colorado