prepared by Upper Grand Valley Soil Conservation District, Mesa County, Colorado, City of Grand Junction ; with assistance by: U. S. Department of Agriculture, Soil Conservation Service, U.S. Department of Interior, Bureau of Land Management, Colorado Water Conservation Board.
"September 1961."
"Prepared under the authority of the Watershed Protection and Flood Prevention Act (Public Law 566, 83d congress, 68 Stat. 666) as amended."
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