Shows geology. "To accompany a report to the Bureau of Topographical Engineers. Lt. Col. Hartman Bache in charge." "Engraved in the Engineer Bureau, War Dept." Available also through the Library of Congress Web site as a raster image. Exhibited in The Earth revealed: aspects of geologic mapping, July 10, 1989-Jan. 7, 1990
Contributor:Hayden, F. V. (Ferdinand Vandeveer) - Hayden, F. V.
Date from accompanying text. Relief shown by symbols for "Black Mountains" or Black Hills. Some place names in both English and French. Based on surveys up to the Mandan-Hidatsa villages by James Mackay and John Evans. Longitudinal errors, at least in part, account for map not being drawn to scale. Prime meridian: Paris [?]. Pen-and-ink. Some pen-and-ink annotations made after 1798. Map backed with ...
Contributor:Finiels, Nicolas De. - Lewis, Meriwether - Clark, William - Harrison, William Henry - Mackay, James - Evans, John