"Topography by Frhr. F.W. v. Egloffstein. Ruling by Samuel Sartain. Lettering by F. Courtenay.", Also shows routes of exploration., At head of title: Explorations and Surveys, War Department, map no. 1., and Relief shown by shading and hachures.
Publisher:
Office of Explorations and Surveys,
Subject (Geographic):
Colorado River (Colo.-Mexico)--Maps
Subject (Name):
Egloffstein, F., 1824-1885, Humphreys, A. A. (Andrew Atkinson), 1810-1883, Sartain, Samuel, 1830-1906, and United States. Office of Explorations and Surveys