topic

• Mines and mineral resources1
• Silver mines and mining1

name

• Bien, Julius, 1826-19091
• United States. Army. Corps of Engineers1
• Wheeler, George M. (George Montague), 1842-19051

collection

place

• Comstock Lode1
• Comstock Lode (Nev.)1
• Nevada1
• Sutro Tunnel (Nev.)1

genre

• Maps1

publisher

• U.S. Geographical Surveys West of the 100th Meridian1

division

• Map Division1

type

• cartographic1