Surface water supply of the United States, 1934, Part V, Hudson Bay and upper Mississippi River basinsU.S. Geological Survey(United States Department of the Interior)UnknownJanuary 1, 193610.3133/wsp760Cited by 0SaveCiteExport RISWatch citationsRelated PapersQuality of surface waters of the United States 1950. Parts 9-14, Colorado River basin to Pacific slope basins in Oregon and lower Columbia River basin|Unknown|1954|0