An environmental study of artisanal,amall,and medium mining in Bolivia,Chile and Peru

McMahon , Gary

An environmental study of artisanal,amall,and medium mining in Bolivia,Chile and Peru - Washington The World Bank 1999 - ix , 61 p. 27 cm. - World bank technical paper No. 429 .

0821344285


MINERA INDUSTRIES-ENVIRONMENTAL ASPECTS-CHILE
ECONOMICS
WORLD BANK
MINERAL INDUSTRIES-ENVIRONMENTAL ASPECTS-BOLIVA
WORLD BANK-REPORTS

338.814098 / ENV