Black River References Black River river, Jamaica Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Jamaica/ Drainage and soilsThe Black River in the west and the Rio Cobre near Kingston are each longer than 30 miles (50 km). Read MoreThe Black River in the west and the Rio Cobre near Kingston are each longer than 30 miles (50 km). Read More