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

Gary McMahon ...[et al.]
Bok · Engelsk · 1999

Utgitt	Washington, D. C. : World Bank , 1999
Omfang	IX, 61 s.
Emner	Mineral industries - Environmental aspects - Bolivia Mineral industries - Environmental aspects - Chile Mineral industries - Environmental aspects - Peru
ISBN	0821344285