Title
Geologic investigation of roof and floor strata : longwall demonstration, Old Ben Mine no. 24 : prediction of coal balls in the Herrin coal : final technical report, part 2
Related Titles
Series:
ISGS contract/grant report, 1983-2
By
DeMaris, Philip J.
Type
Book
Material
Published material
Publication info
Champaign, Ill, Illinois Dept. of Energy and Natural Resources, State Geological Survey Division, 1983
Subjects
Coal balls
,
Illinois
Call Number
QE990 .G46 1983
Language
English
Identifiers
DOI:
https://doi.org/10.5962/bhl.title.62150
OCLC:
9704583
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