TY  - BOOK
AU  - Hobba,W.A.
ED  - United States
TI  - Effects of underground mining and mine collapse on the hydrology of selected basins in West Virginia
U1  - 551.49 20th ed.
PY  - 1993///].
CY  - [Washington]: 
PB  - [United States Government Printing Office], 
KW  - Mineral industries
KW  - Environmental aspects
KW  - West Virginia
KW  - Mine subsidences
N1  - Prepared in cooperation with the West Virginia Geological and Economic Survey; Includes bibliographical references (p. 79)
ER  -