TY  - BOOK
AU  - Goplerud C Peter
TI  - Coal development and use:  The legal constraints an
SN  - 0669044032
U1  - "X9(HZ551):(Z).73.N8, M3" 
PY  - 1983///
CY  - Lexington
PB  - D C Heath     
KW  - Minings
ER  -