, When the military abandoned Fort Laramie in 1890, civilians who had worked at the fort and those ..., , This 16.9 mega byte file is derived from a high-resolution GIF image that was scanned from the or...,
Relief shown by hachures., "Sen. ex. doc. 76-1. sess. 34 Cong. page 74.", "Sept. 3rd.", From the Corps of Topographical Engineer's Explorations in the Dacota Country in the year 1855. 1..., The linked item is a digital copy of the original.