Administrative report and economic and geological papers
By: State of Illinois State Geological Survey
Series: Illinois State Geological Survey. Bulletin -- no. 23; Bulletin (Illinois State Geological Survey) -- no. 23.
Publisher: Illinois State Geological Survey, University of Illinois
Published: 1917
Place of publication: Urbana, Ill
Language: eng
Number of pages: 160
Subjects: Mines and mineral resources; Historical geology; Geology
Notes: Biennial report for 1911 and 1912.

Includes index.
Table of contents: title: Administrative report / by F.W. DeWolf; title: Mineral statistics for Illinois in 1911 and 1912 / by Helen J. Skewes; title: Oil and gas in Colchester and Macomb quadrangles / by Henry Hinds; title: Plymouth oil field / by Raymond S. Blatchley; title: Geology of La Salle and Hennepin quadrangles / by G.H. Cady; title: Stratigraphy and paleontology of the Alexandrian series in Illinois and Missouri / by T.E. Savage.