Scale (1,633,600). " 10 miles to the inch " (W 118°55'--W 94°20' N 47°19'--N 38°40').
<dl><dd>Strip map in 7 sections detailing Freemont's 1842-1843 expedition on the Oregon Trail.</dd>
<dd>Relief shown by hachures.</dd>
<dd>Westport (Kansas City, Mo.) to Fort Walla Walla (Wash.), along stretches of the Kansas, Platte, Sweetwater, Bear, Snake, and Walla Walla river valleys; Extensive marginal include quotations from, Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-'44 by Brevet Captain J. C. Freemont, of the topographical engineers, under the orders of Col. J.J. Abert, chief of the Topographical Bureau. Washington, Gales and Seaton, 1845; Identifies Indian tribal regions and includes " meteorological observations ".</dd>
<dd>Variant edition without E. Weber &amp; Co.'s imprint issued in, Senate executive document (United States. Congress. Senate), 30th Congress, 2nd Session, no. 145 (Serial Set 546).</dd></dl>
Preuss, Charles, 1803-1854
1846
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