ID:DA16947467
Martin, G. C.
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by G.C. Martin and F.J. Katz
U.S. Government Printing Office 1912 Bulletin / Department of the Interior, United States Geological Survey 500
: pbk
G.P.O. 1910 Document 61st Congress, 2d session ; no. 248
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[by G.C. Martin]
U.S. Geological Survey 1908 Geologic atlas of the United States no. 160
Cartographic Material (Map)