00793nam a2200205Ia 4500001001100000005001700011008004100028020002200069043003000091050002400121090002100145245012200166260004300288300002800331504005000359650005600409650005400465650005300519999001500572000000064120251012174737.0  990204s1999    dcua     b   i001 0 eng  a0821344285 (pbk.)  as-bo---as-cl---as-pe---00aTD195.M5bE585 199900a333.8/14/09822103aAn environmental study of artisanal, small, and medium mining in Bolivia, Chile, and PerucGary McMahon ... [et al.].  aWashington, D. C.bWorld Bankcc1999.   aix, 61 p.bill.c28 cm.  aIncludes bibliographical references (p. 61).  0aMineral industriesxEnvironmental aspectszBolivia. 0aMineral industriesxEnvironmental aspectszChile. 0aMineral industriesxEnvironmental aspectszPeru.  c9829d9829