3 pages found in
Water Resources:
Some facts and information about the Amazon River in South America.
http://www.mbarron.net/Amazon/
Describes a study undertaken in 1975-1977 to find ways to regulate and develop the Pilcomayo River and its 272,000 km2 trinational basin.
http://www.oas.org/usde/publications/Unit/oea03e/ch08.htm
Research on the transport and environmental impacts of mine effluents in Bolivia and downstream in Argentina and Paraguay.
http://paws.wcu.edu/jmiller/pilcomayo_page.htm