An environmental study of artisanal, small, and medium mining in Bolivia, Chile, and Peru
by Gary McMahon...[et.al.]
- Washington, D.C. World Bank 1999
- 61p.
- World Bank technical paper no.429 .
Mineral industries - Peru
Mineral industries - Environmental aspects - Chile
Mineral industries - Environmental aspects - Bolivia
Y21x84 M227
Mineral industries - Peru
Mineral industries - Environmental aspects - Chile
Mineral industries - Environmental aspects - Bolivia
Y21x84 M227
