Mitchell, S. Augustus (Samuel Augustus), 1792-1868.1 mapTIFF7180092file name: 31858062318856.tifbarcode: 31858062318856islandora: sheetmaps_15(OCoLC)65171137https://digital.lib.uiowa.edu/node/459532engS. Augustus MitchellPublicWisconsin, 1846MapsWisconsin1840-1850University of Iowa