Walch, Johann, 1757-1817Ferro.;Relief shown by hachures.;1 map, colored;18 x 21 cm.;ca. 1:13,500,000JPEG2000https://digital.library.illinois.edu/items/a11498f0-994e-0134-2096-0050569601ca-3gerIoh. Walch (Augsburg)PublicDie Vereinigten Staaten von Nord-Amerika.MapsUnited States1798University of Illinois Urbana-Champaign