Ulúa (ōōlōō´ä), river, c.200 mi (320 km) long, rising in the Cordillera de Opalaca, W Honduras, and flowing north to the Caribbean Sea. The Ulúa, with its tributaries, drains almost the entire western half of the country. The valley, once a center of the Chorotega civilization, is one of the most productive in Honduras.
"Ulúa." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (January 21, 2019). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ulua
"Ulúa." The Columbia Encyclopedia, 6th ed.. . Retrieved January 21, 2019 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ulua