[Topographic atlas sheets prepared for an unrealized atlas of the western United States.]
U.S. Army Engineer Department, n.d., [Topographic atlas sheets prepared for an unrealized atlas of the western United States.]: U.S. Geographical and Geological Surveys West of the 100th Meridian, 3 sheets, scale 1:506,880.
Authors
U.S. Army Engineer Department
Citation
U.S. Geographical and Geological Surveys West of the 100th Meridian, 3 sheets, scale 1:506,880.
