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Author/Creator
- United States. Central Intelligence Agency2
- Aubele, J. C.1
- Condit, Christopher D.1
- Crumpler, Larry S. (Larry Steven)1
- Eicher Goodearth Limited1
- Geological Survey (U.S.)1
- United Nations Environment Programme. Oficina Regional para AmeĢrica Latina y el Caribe1
- United States. Agency for International Development1
- Water Center for the Humid Tropics of Latin America and the Caribbean1