Geology of Sangamon County
By: by A. R. Crook ... 1912.
Contributors: YA Pamphlet Collection (Library of Congress)
Publisher: Illinois State journal co., state printers
Published: 1912
Place of publication: Springfield, Ill
Language: eng
Number of pages: 24
Subjects: Geology -- Illinois -- Sangamon County.
Notes: "Literature on Sangamon County geology": p. 24.