name

• Douglas, Edward Morehouse, 1855-19322
• Geological Survey (U.S.)2
• Chapman, R. H. (Robert Hollister), 1868-19201
• Gannett, Henry, 1846-19141
• Lloyd, W. J. (Topographer)1
• More Less

collection

• Maps of North America2

place

• Deer Lodge County (Mont.)1
• Helena (Mont.)1
• Jefferson County (Mont.)1
• Lewis and Clark County (Mont.)1
• More Less

genre

• Maps2
• Topographic maps2

publisher

• U.S. Geological Survey2

division

type

• cartographic2