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Bulletin - State of Illinois, Department of Registration and Education, Division of the State Geological Survey.

APA Citation

Illinois State Geological Survey. (191956). Bulletin - State of Illinois, Department of Registration and Education, Division of the State Geological Survey. Urbana: State of Illinois, Dept. of Registration and Information, Division of the State Geological Survey.

MLA Citation

Illinois State Geological Survey. Bulletin - State of Illinois, Department of Registration And Education, Division of the State Geological Survey. Urbana: State of Illinois, Dept. of Registration and Information, Division of the State Geological Survey, 191956.

Warning: These citations may not always be complete (especially for serials).