Iowa. State Planning BoardShows state parks, wildlife refuges, and forests. Blueline print with hand coloring. "Iowa state plan."1 map : blue line, hand colored ; 84 x 115 cmJPEG2000713878732; MAPG4151_G52_193_I6.jp2islandora: testiadep_1812https://digital.lib.uiowa.edu/node/188996engUniversity of Northern IowaPublicIowa map showing state parks, wild life preserves, and forestsMapsIowa1930-1940University of Iowa