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1
由 Addicott, Warren O.
Washington : U.S. Govt. Print. Off., 1973
Washington : U.S. Govt. Print. Off., 1973
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2
由 Finger, Kenneth L.
Washington : Denver, CO : U.S. GPO ; For sale by U.S Geological Survey, Map Distribution, 1995
Washington : Denver, CO : U.S. GPO ; For sale by U.S Geological Survey, Map Distribution, 1995
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3
4
由 McCrory, Patricia Alison, Wilson, Douglas S., Ingle, James C., Stanley, Richard G.
Washington : U.S. G.P.O., 1995
Washington : U.S. G.P.O., 1995
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5
由 Whitfield, R. P. (Robert Parr), 1828-1910
Washington : Government Printing Office, 1894
Washington : Government Printing Office, 1894
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6
由 Honey, James G.
Washington : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Sect., U.S. Geological Survey, 1988
Washington : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Sect., U.S. Geological Survey, 1988
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7
由 Addicott, Warren O.
Washington : United States Government Printing Office, 1967
Washington : United States Government Printing Office, 1967
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8
由 Buzas, Martin A.
Washington, D.C. : Smithsonian Institution Press, 1990
Washington, D.C. : Smithsonian Institution Press, 1990
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9
由 Berta, Annalisa
Washington, D.C. : Smithsonian Institution Press, 1994
Washington, D.C. : Smithsonian Institution Press, 1994
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