Preliminary report of the economic mineral resources of Calhoun County
By: by J. E. Lamar.  Printed by authority of the state of Illinois.
Published: 1926
Place of publication: Urbana, Ill
Language: eng
Number of pages: 21
Subjects: Mines and mineral resources -- Illinois -- Calhoun County.; Geology, Economic -- Illinois -- Calhoun County.
Notes: Bibliographical foot-notes.
At head of title:  State of Illinois.  Department of Registration and Education.  Division of State Geological Survey.