Gillespie-Mount Olive folio, Illinois
By: by Wallace Lee. Surveyed in cooperation with the Geological Survey of Illinois
Series: U.S. Geological Survey. Geologic atlas of the United States -- no. 220; Geologic atlas of the United States -- fol. 220
Publisher: U.S. Geological Survey
Published: 1926
Place of publication: Washington, D.C
Language: eng
Number of pages: 14
Subjects: Geology; Maps
Notes: Cover title.