Mitchell, S. Augustus (Samuel Augustus), 1792-1868Vicinity of Springfield.;Washington.;1 map, colored;52 x 34 cm.;ca. 1:1,250,000;Mitchell, S. Augustus. Mitchell's new general atlas. -- Philadelphia, 1878. -- No. 70-71.JPEG2000https://digital.library.illinois.edu/items/a572fe80-994e-0134-2096-0050569601ca-eengS. Augustus Mitchell (Philadelphia), c1878.PublicCounty & township map of the state of Illinois.MapsIllinois1878University of Illinois Urbana-Champaign