Prelimary report on organization and method of investigations
Contributors: University of Illinois (Urbana-Champaign campus). Department of Mining Engineering; United States. Bureau of Mines
Series: Illinois coal mining investigations cooperative agreement bulletin -- 1; Illinois coal mining investigations cooperative agreement bulletin -- 1.
Publisher: University of Illinois
Published: 1913
Place of publication: Urbana, [Ill.]
Language: eng
Number of pages: 71
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.