Guide to the geology of the Crystal Lake--Richmond area
By: David L. Reinertsen
Contributors: Illinois State Geological Survey
Series: Field trip / Illinois State Geological Survey -- 1983-B; Field trip (Illinois State Geological Survey) -- 1983-B.
Publisher: State Geological Survey
Published: 1983
Place of publication: Champaign, Ill
Language: eng
Subjects: Geology
Notes: Cover title.

"May 14, 1983."