topic

• Explorations and surveys4
• Pacific railroads4
• Railroads2
• Mountain passes1

name

• United States. War Department3
• Davis, Jefferson, 1808-18892
• Williamson, R. S. (Robert Stockton), 1824-18822
• Abbot, Henry L1
• More Less

collection

• Maps of North America4

place

• Middle West1
• Oregon1
• Sierra Nevada (Calif. and Nev.)1
• United States1
• West (U.S.)1

genre

• Maps4
• Diagrams1

publisher

division

• Map Division4

type

• cartographic4
• still image1