topic

• Discovery and exploration2
• Explorations and surveys2
• Geology2
• Pacific railroads2
• More Less

name

• Blake, William P. (William Phipps), 1826-19102
• United States. Army. Corps of Topographical Engineers2
• United States. War Department. Office of P.R.R. Surveys2
• Williamson, R. S. (Robert Stockton), 1824-18822

collection

• Maps of North America2

place

• California2
• Nevada2

genre

• Geological cross-sections2
• Maps2

publisher

• War Dept., U.S. Pacific Rail Road Explorations & Surveys2

division

type

• cartographic2
• still image2