Bonneville May 1 1832 (Fort Osage) to Aug. 22 1835.
Shows routes taken by Bonneville and other fur trappers. Pen-and-ink and colored pencil over printed base map. No title or publication information on base map. Mounted on cloth. Stamped on in lower left corner: 509A. Available also through the Library of Congress Web site as a raster image.
Routes of parties founding Astoria July, 1810--March, 1814.
Pen-and-ink and colored pencil over printed base map. No title or publication information on base map. "Pages refer to Knickerbocker edition, G.P. Putnam & Son, 661 Broadway, N.Y., 1868". Available also through the Library of Congress Web site as a raster image.