Water supply outlook for the western United States (Portland, Or. : 1979)
Author
United States Department of Agriculture, Soil Conservation Service [and] United States Department of Commerce, National Oceanic and Atmospheric Administration, National Weather Service
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