00793nam a2200205Ia 4500 0000000641 20251012174737.0 990204s1999 dcua b i001 0 eng 0821344285 (pbk.) s-bo--- s-cl--- s-pe--- TD195.M5 E585 1999 333.8/14/098 21 An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru Gary McMahon ... [et al.]. Washington, D. C. World Bank c1999. ix, 61 p. ill. 28 cm. Includes bibliographical references (p. 61). Mineral industries Environmental aspects Bolivia. Mineral industries Environmental aspects Chile. Mineral industries Environmental aspects Peru. 9829 9829