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2
Tsukuba, Japan : Geological Survey of Japan, AIST, 2012

Electronic Book
3
by Shaulis, James R.
[Harrisburg] : [Pennsylvania Geological Survey], 2007

Electronic Book
4
by Yerkes, R. F., 1923-
[Menlo Park, Calif.] : The Survey, 1995

Electronic Book
5
by Graymer, R. W. (Russell Walter)
[Menlo Park, CA] : The Survey, 1997

Electronic Book
6
by Yerkes, R. F., 1923-
[Menlo Park, Calif.] : The Survey, 1995

Electronic Serial
7
8
Reston, Va. : U.S. Geological Survey, 2008
Version 1.0.

Electronic Map
9
by Brabb, Earl E., 1929-
[Reston, Va.?] : The Survey, 1997

Electronic Book
10
Tsukuba, Japan : Geological Survey of Japan, AIST, 2011

Electronic Book
11
by Bohannon, Robert G.
Denver, Colo. : U.S. Dept of the Interior, U.S. Geological Survey, 2010
Version 1.0.

Electronic Book
12
by Yerkes, R. F., 1923-
[Menlo Park, Calif.] : The Survey, 1995

Electronic Book
13
by Raines, Gary L.
Washington, DC : U.S. Geological Survey, 1996

Electronic Manuscript Book
14
[Olympia, Wash.?] : Washington Division of Geology and Earth Resources, 2002

Electronic Book
15
by Clark, Joseph C.
[Menlo Park, Calif.] : The Survey, 1997

Electronic Book
17
by Yerkes, R. F., 1923-
Menlo Park, CA : U.S. Dept. of the Interior, U.S. Geological Survey, 1997

Electronic Book
19
[Reston, Va.?] : The Survey, 1998

Electronic Book