Geologic mapping for the future of Illinois
By: prepared in cooperation with Senate Working Committee on Geologic Mapping ; assisted by Senate Geologic Map Task Force.
Contributors: Illinois. General Assembly. Senate. Working Committee on Geologic Mapping.; Illinois. General Assembly. Senate. Geologic Map Task Force.
Series: Special report ;; 1; Special report (Illinois State Geological Survey) ;; 1.
Publisher: Illinois State Geological Survey
Published: 1992
Place of publication: Champaign, Ill. (615 E. Peabody Dr., Champaign 61820)
Language: eng
Number of pages: 49
Subjects: Geological mapping -- Illinois.
Notes: Includes bibliographical references (p. 41).
"July 1991."