Coal mining practice in district VII / by S. O. Andros.
Material type:
TextSeries: Illinois coal mining investigations cooperative agreement bulletin ; 4Publication details: Urbana, Ill. : University of Illinois, 1914.Description: 53 p. : ill. ; 25 cmSubject(s): LOC classification: - TN805.I3 A4 no. 4
Prepared under a cooperative agreement between State Geological Survey, Dept. of Mining Engineering of the University of Illinois, U. S. Bureau of Mines.
Field work by S. O. Andros, C. M. Young and J. J. Rutledge.
On cover: vol. 1 no. 1.
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