Thomas, Cowperthwait & Co.1 color map30 x 37 cm, on sheet 35 x 43 cm.TIFF7177594990071775940202771file name: 31858052264524.tifbarcode: 31858052264524islandora: sheetmaps_24(OCoLC)823260576823260576https://digital.lib.uiowa.edu/node/751786engThomas, Cowperthwait & Co.PublicA new map of the state of Iowa, 1854MapsIowa1850-1860University of Iowa