topic

• Mines and mineral resources1

name

• Bannon, T. M1
• Beaman, W. M. (William Major), 1867-19371
• Douglas, Edward Morehouse, 1855-19321
• Geological Survey (U.S.)1
• Walcott, Charles D. (Charles Doolittle), 1850-19271

collection

• Maps of North America1

place

• Colorado1
• Dolores County1
• Dolores County (Colo.)1
• Rico1

genre

• Maps1
• Topographic maps1

publisher

• U.S. Geological Survey1

division

type

• cartographic1