Northern Plains Branch, Soil and Water Conservation Research Division, Agricultural Research Service, U.S. Department of Agriculture in cooperation with Montana Agricultural Experiment Stations, Northeast Montana Soil and Water Conservation Districts, Soil Conservation Service, Montana Extension Service
prepared by U.S. Department of Agriculture, Soil Conservation Service, in cooperation with NOAA, National Weather Service and Montana Department of Natural Resources and Conservation
issued by Kenneth E. Grant ; released by Van K. Haderlie, in cooperation with J.A. Asleson ; report prepared by Phillip E. Farnes and Bernard A. Shafer
prepared by United States Department of Agriculture, Economic Research Service, Forest Service, Soil Conservation Service ; in cooperation with Montana Department of Natural Resources and Conservation ; under direction of USDA Field Advisory Committee
by Ronald L. Moshier and Armer G. Fielder ; United States Department of Agriculture, Soil Conservation Service in cooperation with the Montana Agricultural Experiment Station
U.S. Department of Agriculture, Soil Conservation Service, Economic Research Service, Forest Service ; in cooperation with Wyoming State Engineers Office and Montana Water Resources Board
U.S. Department of Agriculture, Soil Conservation Service, Economic Research Service, Forest Service ; in cooperation with Wyoming State Engineers Office and Montana Water Resources Board