Iowa. State Planning Board. Water Resources CommitteeWPA project no. 962.1 map ; black line, plastic; 56 x 48 cmJPEG2000768244477; MAPG4152_M2_1930_I6.jp2islandora: testiadep_1820https://digital.lib.uiowa.edu/node/558715engUniversity of Northern IowaPublicNortheastern Iowa river basins: including the Maquoketa, Turkey, & Upper Iowa RiversMapsIowa1930-1940University of Iowa