Physical features of the Des Plaines Valley.
Series: Illinois State Geological Survey. Bulletin -- no. 11; Bulletin (Illinois State Geological Survey) -- no. 11.
Publisher: University of Illinois
Published: 1909
Place of publication: Urbana
Language: eng
Number of pages: 103
Subjects: Physical geography -- Des Plaines River Valley (Wis. and Ill.); Geology -- Illinois -- Des Plaines Valley