topic

• Railroads9
• Administrative and political divisions7
• Mines and mineral resources5
• Silver mines and mining4
• Discovery and exploration3
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name

• Holt, Warren4
• Bien, Julius, 1826-19093
• Gibbes, Charles Drayton3
• United States. Army. Corps of Topographical Engineers3
• Blake, William P. (William Phipps), 1826-19102
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collection

• Maps of North America24

place

• California14
• Utah4
• Comstock Lode3
• Comstock Lode (Nev.)3
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genre

• Geological cross-sections2
• Topographic maps2
• Cadastral maps1
• Military maps1
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publisher

• Published by Warren Holt2
• War Dept., U.S. Pacific Rail Road Explorations & Surveys2
• Daily evening post (San Francisco, Calif.)1
• Department of the Interior General Land Office1
• E. Steiger1
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division

type

• cartographic24
• still image2