Author
United States. Central Intelligence Agency
164
Geological Survey (U.S.)
83
Gilmer, Jeremy Francis, 1818-1883, USMA 1839
42
Confederate States of America. Army. Department of Northern Virginia. Chief Engineer's Office
40
Campbell, Albert H. (Albert Henry), 1826-1899
31
Geological Society of America
24
Rand McNally and Company
20
Historic Urban Plans (Firm)
19
United States. National Park Service
18
George Philip & Son
14
Oxford University Press
14
Kitchin, Thomas, 1718-1784
12
Decade of North American Geology Project
11
Faden, William, 1750?-1836
11
National Geographic Society (U.S.)
11
Hammond Incorporated
10
Karṭa (Firm)
10
Times Books (Firm)
10
Hagstrom Map Company
9
Young, Harry F.
9
Barraclough, Geoffrey, 1908-1984
7
Hammond World Atlas Corporation
7
Hayes, Derek, 1947-
6
Lewis, Samuel, 1753 or 1754-1822
6
Mack, Frederick K.
6
Maryland Geological Survey
6
Maryland. Tidewater Administration
6
United States Military Academy. Department of Military Art and Engineering
6
Weary, David J.
6
Blackford, B. L. (Benjamin Lewis)
5
Dwight, C. S.
5
Gilbert, Martin, 1936-2015
5
John Bartholomew and Son
5
Randolph, Innes, 1837-1887
5
United States. Bureau of the Census
5
United States. Department of State. Bureau of Public Affairs
5
United States. National Aeronautics and Space Administration
5
Esposito, Vincent J. (Vincent Joseph), 1900-1965, USMA 1925
4
Haworth, R. T.
4
Henderson, D. E.
4
Keen, C. E.
4
McEvedy, Colin
4
National Geographic Society (U.S.). Book Division
4
Natkiel, Richard
4
New York (State). Department of Transportation
4
Sauthier, Claude Joseph
4
Scott Polar Research Institute
4
Seager, Joni
4
Sotzmann, D. F.
4
Speed, Robert C.
4
more ...