topic

• Geology9
• Pacific railroads9
• Discovery and exploration6
• Surveys6
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name

• United States. War Department. Office of P.R.R. Surveys9
• Williamson, R. S. (Robert Stockton), 1824-18825
• Ackerman Lithr3
• United States. Army. Corps of Topographical Engineers3
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collection

place

• California7
• Nevada2
• Texas2
• Arizona1
• Riverside County1
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genre

• Maps9
• Geological cross-sections5
• Geological maps1

publisher

• War Dept., U.S. Pacific Rail Road Explorations & Surveys7
• Wagner & McGuigan, Lith2
• War Department1

division

• Map Division9

type

• cartographic9
• still image7