"Sketch of El Paso, Texas, and Vicinity; Showing Position of Astronomical Monument of 1878 near Ft. Bliss", U.S. Corps of Engineers
Period: 1878 (circa)
Publication: HR Ex Doc 1, 46th Cong., 2nd Session
Color: Black & White
11 x 7 inches
27.9 x 17.8 cm
Good detail of roads and topography around El Paso. Large inset of El Paso (Fort Bliss) with detail down to streets and locates the astronomical monument. These astronomical sites were of extreme importance to accurate mapping by the U.S. Corps of Engineers, so much so that completed ones were shown on their Progress Maps.
References: Koepp 1906.
Light toning along one fold.