Author
Minnesota Geological Survey
44
University of Minnesota
29
Morey, G. B
22
Geological Survey (U.S.)
17
Schwartz, George M (George Melvin), 1892-1980
17
Geological and Natural History Survey of Minnesota
13
Owen, David Dale, 1807-1860
9
Schwartz, George M (George Melvin), 1892-
8
Southwick, D. L (David Leroy), 1936-
8
United States General Land Office
8
Grout, Frank F (Frank Fitch), 1880-1958
7
Ojakangas, Richard W
7
Winchell, N. H (Newton Horace), 1839-1914
7
Sims, P. K (Paul Kibler), 1918-2011
6
Upham, Warren, 1850-1934
6
Whittlesey, Charles, 1808-1886
6
Clements, J. Morgan (Julius Morgan), 1869-
5
Grout, Frank F (Frank Fitch), 1880-
5
Gruner, John W (John Walter), 1890-
5
Leidy, Joseph, 1823-1891
5
Morey, G. B.
5
Norwood, J. G (Joseph Granville), 1807-1895
5
Pratten, Henry
5
Shumard, B. F (Benjamin Franklin), 1820-1869
5
Thiel, George A (George Alfred), 1892-
5
Thiel, George A (George Alfred), 1892-1979
5
Chandler, Val W
4
Grout, Frank F (Frank Fitch), 1880
4
Hanson, Gilbert N
4
Leverett, Frank, 1859-1943
4
Matsch, Charles L
4
Norwood, J. G, (Joseph Granville), 1807-1895
4
Alminas, Henry V., 1938-
3
Anderson, Charles L (Charles Lewis), 1827-1910
3
Boerboom, Terrence J
3
Clark, Thomas
3
Eames, Henry H
3
Geological Society of America
3
History of Science Collection (Brown University)
3
Holst, Timothy B
3
International Geological Congress
3
Jirsa, Mark A
3
Lively, R. S
3
McLennan, Scott M
3
Miller, James Duane
3
Minnesota Commissioners to Report on Geology and a Plan for a Geological Survey of the State
3
Minnesota State Geologist
3
Parry, C. C (Charles Christopher), 1823-1890
3
Parry, C. C, (Charles Christopher), 1823-1890
3
Perry, Eugene C., 1933-
3
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