USDA report on water and related land resources, John Day River Basin, Oregon : based on a cooperative survey by the State Water Resources Board of Oregon and the United States Department of Agriculture
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USDA report on water and related land resources, John Day River Basin, Oregon : based on a cooperative survey by the State Water Resources Board of Oregon and the United States Department of Agriculture
United States. Dept. of Agriculture. Economic Research Service; United States. Forest Service; United States. Soil Conservation Service; Oregon. State Water Resources Board