TY  - BOOK
T1  - Longwall gate road stability in a steeply pitching thick coal seam with a weak roof
DA  - 1995.
CY  - [Washington, D.C.?] :
AU  - Barron, Lance R.
AU  - DeMarco, Matthew J.
VL  - 9580
CN  - I 28.23:
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - [Washington, D.C.?] :
PY  - 1995.
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 96-0482-M.
ID  - 184773
KW  - Gate roads (Mining)
KW  - Longwall mining
KW  - Ground control (Mining)
TI  - Longwall gate road stability in a steeply pitching thick coal seam with a weak roof
ER  -