Documents re: Justification for Modification No. 5 to Contract No. PH 86-63-241, September 17, 1965
written by John M. Rademacher, 1924-2013, in Records of the Environmental Protection Agency, 1944 - 2006 (RG412). Records Relating to River Basins, 1949 - 1969 (A1 8), of United States. National Archives and Records Administration. Federal Records (17 September 1965), Box 4, Colorado R. Conference Report of 5 Sessions 1965 (Enforcement Branch) 1960-64 , 4 page(s)