name

• Gannett, Henry, 1846-19141
• Geological Survey (U.S.)1
• Howell, D. J1
• Thompson, Gilbert, 1839-19091
• More Less

collection

• Maps of North America1

place

• Maryland1
• Virginia1
• Washington (D.C.)1

genre

• Maps1

publisher

division

• Map Division1

type

• cartographic1