TY  - BOOK
AU  - 
AU  - 
TI  - Mine Hydrology
SN  - 0873350561
U1  - 628 MIN 
PY  - 1986///
CY  - Littleton, Colo.
PB  - Society of Mining Engineers
KW  - Mine Drainage
KW  - Mine Water
N1  - Includes bibliographical references ( p.: 137 - 142 ), indexs (p.: 165 - 169 )
ER  -