Author
Geological Survey (U.S.)
298
Massachusetts Department of Public Works
92
United States Soil Conservation Service
59
Zandle, Gerald L
32
Gilbert, Francis P
25
Kentucky Geological Survey
25
United States Bureau of the Census
25
Tennessee Division of Geology
19
Massachusetts Dept. of Public Works
16
Rabideau, Clyde M (Clyde Melvin), 1936-
16
Meuschke, J. L
15
Popenoe, Peter
15
Tennessee Valley Authority
14
Hatch, Norman L
13
Segerstrom, Kenneth, 1909-1992
13
Columbus (Ohio)
12
Franklin County (Ohio) Regional Planning Commission
12
Manchester (Mass.) Department of Public Works
12
Moore, Frank B (Frank Baker), 1912-
12
United States Federal Highway Administration
12
Hadley, Jarvis B (Jarvis Bardwell), 1909-
11
Postel, A. Williams (Albert Williams), 1909-
11
United States Federal Emergency Management Agency
11
Boynton, G. R
10
Nelson, Arthur E (Arthur Edward), 1922-
10
Pennsylvania Bureau of Topographic and Geologic Survey
10
Andreasen, Gordon E., 1924-
9
Balsley, J. R
9
Hartshorn, Joseph H (Joseph Harold), 1922-
9
Wiesnet, Donald Richard, 1927-
9
Arnold Air Force Base (Tenn.)
8
Buddington, A. F (Arthur Francis), 1890-1980
8
Franklin County (Ohio) Engineering Department
8
Moench, Robert Hadley, 1926-
8
United States Natural Resources Conservation Service
8
Willard, Max Emery, 1914-
8
Acker, Martha Walters
7
Bradley, Stephen E., Jr
7
Cressman, Earle Rupert, 1923-
7
Henderson, John R
7
Jahns, Richard H (Richard Henry), 1915-1983
7
North Carolina Department of Transportation. Project Development and Environmental Analysis Branch
7
Bair, E. Scott
6
Beers, F. W (Frederick W.)
6
Bromery, Randolph Wilson, 1926-
6
Jillson, Willard Rouse, 1890-1975
6
Philip B. Herr & Associates
6
Seeger Map Co
6
Segerstrom, Kenneth, 1909-
6
United States Bureau of Chemistry and Soils
6
more ...