TY  - BOOK
T1  - Subsidence from underground mining :environmental analysis and planning considerations /
DA  - 1983.
CY  - Alexandria, VA :
AU  - Lee, Fitzhugh T.
CN  - QE75
CN  - QE75
CN  - TD195.M48
PB  - U.S. Geological Survey,
PP  - Alexandria, VA :
PY  - 1983.
ID  - 78328
KW  - Mine subsidences
KW  - Mine subsidences.
TI  - Subsidence from underground mining :environmental analysis and planning considerations /
ER  -