Map of the sources of Snake River : with its tributaries together with portions of the headwaters of the Madison and Yellowstone from surveys and observations of the Snake River Expedition /
Bechler, Gustavus R.
Hayden, F. V. (Ferdinand Vandeveer), 1829-1887.
cartographic
[S.l. : s.n.,
187-]
eng
Relief shown by form lines.
Snake River (Wyo.-Wash.)--Maps.
United States Snake River.
United States Snake River.
Available also through the Library of Congress Web site as a raster image.
http://hdl.loc.gov/loc.gmd/g4242s.ct002285