Mineral resources and mineral industries of the East-Central Illinois region
By: [by] Robert L. Major.
Contributors: Illinois State Geological Survey.
Series: Mineral economics brief 15
Publisher: Illinois State Geological Survey
Published: 1967
Place of publication: Urbana
Language: eng
Number of pages: 39
Subjects: Mines and mineral resources -- Illinois.
Notes: Bibliography: p. 37-39.