1.
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Champaign, IL : Illinois State Geological Survey, 1996.
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2.
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Champaign, IL : Illinois State Geological Survey, 1995.
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3.
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Champaign, Ill. (615 E. Peabody Dr., Champaign 61801) : Illinois State Geological Survey, 1990.
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4.
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Champaign, Ill. (615 E. Peabody Dr., Champaign 61820) : Illinois State Geological Survey, 1989.
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5.
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Champaign, IL : Illinois State Geological Survey, 1991.
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6.
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Champaign, Ill. : Illinois State Geological Survey, 1987.
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7.
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Champaign, Ill. : State Water Survey [and] State Geological Survey, 1985.
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8.
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Urbana, Illinois State Geological Survey, 1963.
QE105 .A45 no. 342, etc. |
Map It |
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9.
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Champaign, IL (615 E. Peabody Dr., Champaign 61820) : Illinois State Geological Survey, 1983.
QE105 .A45 no. 529 QE673 |
Map It |
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10.
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