TY  - BOOK
T1  - In situ strength characteristics of coal mine floor strata in Illinois /
DA  - 1988.
CY  - Champaign, Ill. :
AU  - Chugh, Yoginder P.
VL  - 3
CN  - TN805.I3
CN  - TN805.I3
PB  - Illinois State Geological Survey,
PP  - Champaign, Ill. :
PY  - 1988.
N1  - "Originally published September 1986... by Southern Illinois University at Carbondale... for the Bureau of Mines."
N1  - "IMSRP-III"--Cover.
ID  - 123061
KW  - Coal mines and mining
KW  - Ground control (Mining)
KW  - Mining engineering
TI  - In situ strength characteristics of coal mine floor strata in Illinois /
ER  -