Coal mining practice in district IV
By: by S.O. Andros
Contributors: Illinois State Geological Survey; University of Illinois (Urbana-Champaign campus). Dept. of Mining Engineering; United States. Bureau of Mines
Series: Illinois coal mining investigations cooperative agreement bulletin -- 12; Illinois coal mining investigations cooperative agreement bulletin -- 12.
Publisher: University of Illinois
Published: 1915
Place of publication: Urbana, Ill
Language: eng
Number of pages: 57
Subjects: Coal mines and mining
Notes: Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering of the University of Illinois, and U.S. Bureau of Mines.