Guide to the geology of the Crystal Lake area, McHenry County, Illinois
By: David L. Reinertsen ... [et al.].
Series: Field trip guidebook -- 1993C; Field trip guidebook (Illinois State Geological Survey) -- 1993C.
Publisher: Illinois State Geological Survey
Published: 1993
Place of publication: Champaign, Ill
Language: eng
Number of pages: 45
Subjects: Geology
Notes: "September 11, 1993."

Includes bibliographical references (p. 35-36).