Guide leaflet, Grafton area
Subtitle: Jersey County, Jerseyville, Hardin, St. Charles, and Brussels Quadrangles : geological science field trip
By: Leaders, George M. Wilson and I. Edgar Odom
Edition: Rev.
Series: Guide leaflet ; 1960B
Publisher: State of Illinois, Dept. of Registration and Education, State Geological Survey Division
Published: 1964
Place of publication: Urbana
Language: eng
Number of pages: 12
Subjects: Geology
Notes: Cover title.

"Sponsored by the Illinois State Geological Survey, Urbana".