Are you sure you want to log out?
Exploration and survey of the valley of the Great Salt Lake of Utah, including a reconnoissance of a new route through the Rocky Mountains
The geographical conceptions of Columbus; a critical consideration of four problems
Preliminary report upon a reconnaissance through southern and southeastern Nevada, made in 1869, by Geo. M. Wheeler, Corps of Engineers, U.S. Army, …
Annual report of Captain A.A. Humphreys, topographical engineers, in charge of Office of Explorations and Surveys, War Department, December, 1858
Explorations in the Dacota country, in the year 1855
The migration of British birds, including their post-glacial emigrations as traced by the application of a new law of disperal being a contribution t…
Preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57
Report upon United States Geographical surveys west of the one hundredth meridian
Correspondence between the Royal Geographical Society and the government