Preliminary report on organization and method of investigations
Contributors: Illinois State Geological Survey; University of Illinois at Urbana-Champaign. Dept. of Metallurgy and Mining Engineering; United States. Bureau of Mines
Series: Illinois coal mining investigations. Co-operative agreement. State geological survey ... [Bulletin -- no. 1]
Publisher: University of Illinois
Published: 1913
Place of publication: Urbana
Language: eng
Number of pages: 71
Subjects: Coal mines and mining; Coal miners
Other titles: Illinois coal mining investigations co-operative agreement.