Geologic disturbances in Illinois coal seams:
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Bibliographic Details
Main Author: Nelson, W. James (Author)
Format: Book
Language:English
Published: Champaign, Ill. Illinois State Geolog. Survey 1983
Series:Illinois State Geological Survey: Circular 530.
Subjects:
Physical Description:47 S. Ill., graph. Darst., Kt.

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