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Browse Illinois State Geological Survey by Issue Date
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(Urbana, IL : State Geological Survey, 96)
PDF (4MB)
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([Urbana, Ill.] : State Geological Survey,, 1906)
PDF (6MB)
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(Urbana, IL : Illinois State Geological Survey, 1907)
PDF (18MB)
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(Urbana, IL : University of Illinois, 1907)
PDF (17MB)
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(Urbana, IL : University of Illinois, 1907)
PDF (36MB)
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(Urbana, University of Illinois,, 1909)
PDF (33MB)
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(Urbana, IL : Illinois State Geological Survey, 1909)
PDF (33MB)
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(Urbana, IL : Illinois State Geological Survey, 1909)
PDF (62MB)
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(Urbana, IL : Illinois State Geological Survey, 1909)
PDF (55MB)
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(Urbana, IL : Illinois State Geological Survey, 1909)
PDF (15MB)
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(Urbana, IL : Illinois State Geological Survey, 1910)
PDF (15MB)
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(Urbana, IL : Illinois State Geological Survey, 1910)
PDF (40MB)
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(Urbana, IL : Illinois State Geological Survey, 1912)
PDF (43MB)
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(Urbana : University of Illinois, 1913)
PDF (6MB)
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(Urbana, IL : Illinois State Geological Survey, 1913)
PDF (41MB)
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(Urbana, IL : Illinois State Geological Survey, 1913)
PDF (31MB)
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(Urbana [Ill.] : Illinois Coal Mining Investigations,, 1914)
PDF (5MB)
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(Urbana, Ill. : University of Illinois,, 1914)
PDF (5MB)
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(Urbana, Ill. : University of Illinois,, 1914)
PDF (2MB)
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(Urbana, IL : Illinois State Geological Survey, 1914)
PDF (28MB)
