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The map of North America with the Western Interior Seaway during the Campanian. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, or the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years.
Watersheds of North America are large drainage basins which drain to separate oceans, seas, gulfs, or endorheic basins. There are six generally recognized hydro-logical continental divides which divide the continent into seven principal drainage basins spanning three oceans ( Arctic , Atlantic and Pacific ) and one endorheic basin.
Map of Central America. The water in rivers in Central America flows to either the Atlantic Ocean or Pacific Ocean. The Río Coco, locally known as the Wanks, runs along the border with Honduras and is the longest river flowing totally within Central America. The second longest river in Central America is the Patuca River. [7] [8]
North America's major continental divide is the Great Divide, which runs north and south down through Rocky Mountains. The major watersheds draining to the include the Mississippi / Missouri and Rio Grande draining into the Gulf of Mexico (part of the Atlantic Ocean), and the St. Lawrence draining into the Atlantic .
The Continental Divide in North America in red and other drainage divides in North America The Continental Divide in Central America and South America. The Continental Divide of the Americas (also known as the Great Divide, the Western Divide or simply the Continental Divide; Spanish: Divisoria continental de las Américas, Gran Divisoria) is the principal, and largely mountainous ...
List of longest rivers of the United States (by main stem) List of longest rivers of the United States by state; List of rivers of the United States by discharge; List of National Wild and Scenic Rivers; List of river borders of U.S. states; List of rivers of U.S. insular areas; List of rivers of the Americas by coastline
Arctic Ocean. In the Americas, only the United States, Canada, and Greenland have rivers on the Arctic Ocean coast. Greenland is surrounded by the Barents Sea (part of the Arctic Ocean), the Greenland Sea (often described as part of the Arctic Ocean), Baffin Bay to the west (marginal sea of the Arctic Ocean), the Labrador Sea to the south (part of the Arctic Ocean), and directly to the Arctic ...
River Age Outflow Most significant criterion for the age Finke: 400~350 Lake Eyre (intermittent) Predates the Alice Springs Orogeny; several other smaller rivers in the Northern Territory are of a similar age [1] [2] Meuse: 340~320 North Sea: Paleozoic, dissects the Ardennes during the Hercynian [3] French Broad River: 340~320 Tennessee River