1.
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Bloomington, Ind. : State of Indiana, Dept. of Natural Resources, Geological Survey, 1982.
QE109 .A36 no. 30 QE919 |
Map It |
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2.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988.
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3.
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Urbana, State Geological Survey, 1959.
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4.
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Urbana : Illinois State Geological Survey, 1977.
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5.
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Ithaca, N.Y., Paleontological Research Institution, 1968.
QE701 .I82 v.6, no.38 |
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6.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1996.
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7.
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Washington, D.C. : Geological Survey, 1995.
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8.
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Washington : U.S. G.P.O. ; Alexandria, VA : For sale by the Branch of Distribution, U.S. Geological Survey, 1984, i.e. 1985.
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9.
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Bloomington, Indiana Dept. of Conservation, Geological Survey, 1959.
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10.
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Urbana : Illinois State Geological Survey, 1976.
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