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APA Citation Edition Citation

Frye, J. C. (1969). Research and service of the Illinois State Geological Survey.- Urbana, IL.- 24 S: Ill.

Chicago Citation Edition Citation

Frye, John C. Research and Service of the Illinois State Geological Survey.- Urbana, IL.- 24 S: Ill. 1969.

MLA Citation Edition Citation

Frye, John C. Research and Service of the Illinois State Geological Survey.- Urbana, IL.- 24 S: Ill. 1969.