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BOOK
Title The glacial boundary in southern Illinois / H.B. Willman and John C. Frye.
Imprint [Chicago] : Illinois Institute of Natural Resources ; Urbana, Ill. : Illinois State Geological Survey Division, 1980.

Copies/Volumes

LOCATION CALL # STATUS
 Main Stacks  QE105 .A45 no.511    AVAILABLE
Description 23 p. : maps ; 28 cm.
Series Circular / Illinois State Geological Survey Division ; no. 511.
Circular (Illinois State Geological Survey) ; no. 511.
Bibliog. Bibliography: p. 23.
Subject Glacial epoch -- Illinois.
Other Author Frye, John C. (John Chapman), 1912-1982