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
sponsored by West Otero Soil Conservation District, East Otero Soil Conservation District, Colorado State Soil Conservation Board ; assisted by Natural Resources Conservation Service
prepared by the U.S. Department of Agriculture, Natural Resources Conservation Service, Lakewood, Colorado in cooperation with the Colorado Water Conservation Board, El Paso County and the Town of Calhan
prepared by the U.S. Department of Agriculture, Natural Resources Conservation Service ; in cooperation with the Colorado Water Conservation Board, Fremont County, City of Cannon City