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1
Shorter contributions to general geology, 1918 /
Washington, D.C. : U.S. G.P.O., 1919

Book
2
Shorter contributions to general geology, 1956.
Washington, D.C. : U.S. G.P.O., 1957

Book
3
Shorter contributions to general geology, 1956.
Washington, D.C. : U.S. G.P.O., 1957

Government Document
4
Shorter contributions to general geology, 1918 /
Washington, D.C. : U.S. G.P.O., 1919

Government Document Book
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