Text ( visual ) : unmediated An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru / Gary McMahon ... [et al.]. -- Washington, D. C. : World Bank , 1999. -- ix, 61 p. : ill. ; 28 cm. -- (World Bank technical paper ; no. 429). -- Includes bibliographical references (p. 61). -- ISBN 0821344285 ; (BA42149751) ; https://ci.nii.ac.jp/ncid/BA42149751 Author Heading(s): McMahon, Gary. -- Classification(s): LCC : TD195.M5 ; DC21 : 333.8/14/098. -- Subject Heading(s): LCSH : Mineral industries -- Environmental aspects -- Bolivia ; LCSH : Mineral industries -- Environmental aspects -- Chile ; LCSH : Mineral industries -- Environmental aspects -- Peru

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