topic

• Discovery and exploration1
• Trails1

name

• Bien, Julius, 1826-19091
• Dixon, Joseph, 1833 or 1834-18621
• Thom, George1
• United States. Topographical Bureau1

collection

• Maps of North America1

place

• Blue Mountains (Or. and Wash.)1
• Cascade Range1
• Fort Dalles (Dalles, Or.)1
• Great Salt Lake (Utah)1
• Idaho1
• More Less

genre

• Maps1

publisher

• U.S. Topographical Bureau1

division

• Map Division1

type