Mining practice in district I
Subtitle: (Longwall)
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 ;; 5
Publisher: University of Illinois
Published: 1914
Place of publication: Urbana, [Ill.]
Language: eng
Number of pages: 42
Subjects: Coal mines and mining -- Illinois.
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.
Field work by S. O. Andros and J. J. Rutledge.