TY  - BOOK
AU  - Chalekode,P.K.
AU  - Blackwood,T.R.
ED  - United States.
TI  - Source assessment : coal refuse piles, abandoned mines and outcrops, state of the art
U1  - 553.2 
PY  - 1978///
CY  - Wahngton, D.C.
PB  - United States Environmental Protection Agency
KW  - Coal
KW  - Mines
KW  - Pollutants
KW  - Handbooks, manuals, etc
N1  - EPA-600/2-78-004v
ER  -