TY  - BOOK
AU  - McElfish,James M.
AU  - Beier,Ann E.
TI  - Environmental regulation of coal mining: SMCRAâS seconddecade 
SN  - 0-911937-35-8
U1  - 553.2026 M478e 
PY  - 0000///D.C. [EE.UU.]
CY  - Washington
PB  - Environmental Law Institute, 1990
KW  - CARBON
KW  - MINAS Y MINERALES
KW  - LEYES Y LEGISLACION
KW  - E.U.A
KW  - PROTECCION DEL MEDIO AMBIENTE
ER  -