Metraux, Alfred. 1948. "Tribes of the middle and upper Amazon River." In Handbook of South American Indians: The Tropical Forest tribes. 687–712. 143 in Bureau of American Ethnology Bulletins.
Brazil is pushing the Tapajós River waterway as one of the main Amazon shipping corridors and preparing it for privatization, which will enable regular dredging and maintenance to improve its capacity ...
Tribal leaders are concerned about being excluded from negotiations over the Colorado River's future, despite holding significant water rights. Many tribal communities lack access to clean, affordable ...
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