United States. Army. Corps of Engineers & United States. War Department. (1861). Map no. 3 Rocky Mountains to Puget Sound: 1853-4. War Dept..
Style de citation Chicago (17e éd.)United States. Army. Corps of Engineers et United States. War Department. Map No. 3 Rocky Mountains to Puget Sound: 1853-4. [Washington]: War Dept., 1861.
Style de citation MLA (8e éd.)United States. Army. Corps of Engineers et United States. War Department. Map No. 3 Rocky Mountains to Puget Sound: 1853-4. War Dept., 1861.
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