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1
Lancaster, Pennsylvania : Northeastern Section of the Geological Society of America, 2014

Book
5
by Haigler, Leon B. (Leon Boyd), 1923-
Washington, D.C. : U.S. Geological Survey, 1972

Government Document Map
7
[Washington, D.C.] : U.S. Geological Survey, 2000

Government Document Book
8
by Fox, F. G.
[Ottawa, Canada] : Energy, Mines and Resources Canada : available from Canada Communication Group-Publishing, 1992

Book
9
by Ryder, Robert T.
Reston, Va. : U.S. Geological Survey, 1996

Book
11
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey, 2000

Book
13
[Leeds] : Published by the Yorkshire Geological Society jointly for the British Sedimentological Research Group and the Yorkshire Geological Society, 1989

Serial
15
by Cohee, George Vincent, 1907-
[Washington, D.C.] : United States Geological Survey, 1947

Book
16
by Marshak, Stephen, 1955-
Albany, N.Y. : University of the State of New York, State Education Dept., 1990

Book
17
by Marshak, Stephen, 1955-
Albany, N.Y. : University of the State of New York, State Education Dept., 1990

Government Document Book
18
[Menlo Park, CA] : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; USGS Information Services [distributor], 2000

Government Document Book
19
Harrisburg, Pa. : The Conference : Distributed by Bureau of Topographic and Geologic Survey, Dept. of Environmental Resources, 1973

Conference Proceeding Book
20
by Cohee, George V. (George Vincent), 1907-1990
[Washington, D.C.] : United States Geological Survey, 1947

Book