TY  - BOOK
AU  - MacMahon,Gary
TI  - An environmental study of artisanal, small, and medium mining in Bol ivia, Chile and Peru / 
SN  - 0821344285
PY  - 1999///
CY  - Washington, D. C. : 
PB  - World Bank, 
KW  - Mineral industries
KW  - Environmental aspects
KW  - Bolivia
KW  - Chile
KW  - Peru
N1  -  Includes bibliographical references (p. 61) and index
ER  -