topic

• Discoveries in geography2
• Explorations and surveys2
• Geology2
• Pacific railroads2
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name

• United States. Army. Corps of Topographical Engineers3
• Blake, William P. (William Phipps), 1826-19102
• T. Sinclair's Lith2
• United States. War Department. Office of P.R.R. Surveys2
• Williamson, R. S. (Robert Stockton), 1824-18822
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collection

• Maps of North America3

place

• California3
• Great Salt Lake (Utah)1
• Sierra Nevada (Calif. and Nev.)1
• Southwest, New1
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genre

• Maps3
• Geological cross-sections2

publisher

• War Dept., U.S. Pacific Rail Road Explorations & Surveys2
• U.S. Army, Corps of Topographical Engineers1

division

type

• cartographic3
• still image2