TY  - BOOK
T1  - Surface subsidence over a room-and-pillar mine in the western United States /
DA  - 1993.
CY  - [Washington, D.C.?] :
AU  - Magers, Jeff A.
VL  - 9347
CN  - I 28.27:
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - [Washington, D.C.?] :
PY  - 1993.
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 93-1358-P.
ID  - 195520
KW  - Mine subsidences
KW  - Coal mines and mining
TI  - Surface subsidence over a room-and-pillar mine in the western United States /
ER  -