"Sketch, Showing Location of Section for Current Observations; At Camp Mohave, Arizona. 1875. [and] … At Fort Yuma California. 1876", U.S. Army
Subject: Arizona and California
Period: 1875-76 (dated)
Publication: HR Ex Doc. 1, maps 20 & 21, 44th Cong., 2nd Session
Color: Black & White
10 x 6.2 inches
25.4 x 15.7 cm
Both maps show fine detail of the area and river, including a section plan of the Colorado River on each. The former shows the Parade Grounds within the fort, the Yuma Quarter Master's Depot and part of Arizona City on the other side of the river. The later shows two cross-sections of the river, good detail within the fort, a bench mark and ferry location.
Even light toning.