1.
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Champaign, IL : Illinois State Geological Survey, 2001.
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2.
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Champaign, Ill. : Illinois State Geological Survey, 1995.
TN872.I3 I44 no.147 |
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3.
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Champaign, Ill. : Illinois State Geological Survey, 1989.
TN872.I3 I44 no.133 |
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4.
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Champaign, Ill. (615 E. Peabody Dr., Champaign 61820) : Illinois State Geological Survey, [1992]
TN872.I3 I44 no.137 |
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5.
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Champaign, Ill. (615 E. Peabody Dr., Champaign 61820) : Illinois State Geological Survey, 1992.
TN872.I3 I44 no.138 |
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6.
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Champaign, Ill. : Illinois State Geological Survey, 1993.
TN872.I3 I44 no.141 |
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7.
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Champaign, [Ill.] : Illinois State Geological Survey, 1988.
TN872.I3 A25 no.129 |
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8.
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Urbana : Illinois Institute of Natural Resources, State Geological Survey Division, 1980.
TN872.I3 A25 no.119 |
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9.
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Champaign, Ill. : Illinois State Geological Survey, 1996.
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10.
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Champaign, Ill. : Illinois State Geological Survey, 1999.
TN872.I3 I44 no.155 |
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