TY  - BOOK
AU  - Eggert Roberick G Ed.
TI  - Mining and the environment:  International perspect   
T2  - John M Olin distinguished Lectures in Mineral Economics. Resources for the Future
SN  - 0915707721
U1  - X9(HZ):(G:55), N4 
PY  - 1994///
CY  - Washington
PB  - RFF          
ER  -