Coal mining practice in district II
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 ;; 7
Publisher: University of Illinois
Published: 1914
Place of publication: Urbana, Ill
Language: eng
Number of pages: 22
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.
On cover: vol. 1 no. 4.