Cost of underground coal mining in Illinois
By: Subhash Bhagwat, Philip Robare
Contributors: Robare, Philip; Illinois State Geological Survey
Series: Illinois minerals note -- 84
Publisher: Illinois State Geological Survey
Published: 1982
Place of publication: Champaign, Ill
Language: eng
Number of pages: 14
Subjects: Coal mines and mining; Costs
Notes: Includes bibliographical references (p. 8).

"November 1982."