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1
Boulder, CO : Geological Society of America, 2000

Book
2
Washington, D.C. : American Geophysical Union, 1989

Conference Proceeding Book
3
by Allen, John Eliot, 1908-1996
Forest Grove, Or. : Timber Press, 1979

Book
4
Harrisburg, PA : Field Conference of Pennsylvania Geologists, Inc., 1996

Book
5
by Bloom, Arthur L. (Arthur Leroy), 1928-2017
[Hartford, Conn.] : State Geological and Natural History Survey of Connecticut, 1965

Book
6
by Sylvester, Arthur G.
Missoula, Montana : Mountain Press Publishing Company, 2016

Book
7
by Easton, R. M., Easton, M. Gaiswinkler
Brampton, Ont. : M. Easton, 1987

Book
9
by Milnes, A. G.
Boulder, Colo. : Geological Society of America, 2011

Book
10
Middletown, Pa. : Field Conference of Pennsylvania Geologists, Inc., 2003

Conference Proceeding Book
11
Harrisburg, PA : Distributed by Field Conference of Pennsylvania Geologists, 1994

Conference Proceeding Book
12
Boulder, Colo. : Geological Society of America, 2007

Book
13
Washington, D.C. : American Geophysical Union, 1989

Conference Proceeding Book
14
New Brunswick, N.J. : Rutgers University Press, 1969

Book
15
Boulder, Colo. : Geological Society of America, 1987

Book
16
Harrisburg, PA (c/o Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, P.O. Box 2357) : Guidebooks distributed by Field Conference of Pennsylvania Geologists, 1988

Conference Proceeding Book
17
Washington, D.C. : American Geophysical Union, 1989

Conference Proceeding Book
18
Boulder, Colo. : Geological Society of America, 1987

Book
19
Boulder, Colo. : Geological Society of America, 1987

Book
20
Albany : State University of New York Press, 1981

Book