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Watersheds of North America are large drainage basins which drain to separate oceans, seas, gulfs, or endorheic basins. There are six generally recognized hydrological continental divides which divide the continent into seven principal drainage basins spanning three oceans ( Arctic , Atlantic and Pacific ) and one endorheic basin.
The west side of the divide continues to be the Suwannee River and then the Withlacoochee River watersheds. The southern terminus of the Eastern Continental Divide is at the triple divide between the St. Johns, Peace, and Kissimmee River watersheds, which is in Haines City, Florida on the Lake Wales Ridge.
Currently at an overflow level and therefore draining into the sea via the Lukuga River, but the lake level has been lower in the past, possibly as recently as 1800. Tularosa Basin and Lake Cabeza de Vaca in North America. Basin formerly much larger than at present, including the ancestral Rio Grande north of Texas, feeding a large lake area.
The list of drainage basins by area identifies basins (also known as "catchments" or, in North American usage, "watersheds"), sorted by area, which drain to oceans, mediterranean seas, rivers, lakes and other water bodies.
Through central New York, the divide separates the Oswego River watershed, which contains most of the Finger Lakes region, to the north from the Susquehanna River basin to the south. The divide then follows the boundary of the Hudson River watershed to the south through the Adirondacks , dipping briefly south of Lake George and Lake Champlain ...
The newer delineation work on watersheds and subwatersheds was done using 1:24,000 scale maps and data. As a result, the subbasin boundaries were changed and adjusted in order to conform to the higher resolution watersheds within them. Changes to subbasin boundaries resulted in changes in area sizes.
Download as PDF; Printable version; In other projects ... Maps of North America (1 C, 4 P, 2 F) S. Maps of South America (1 C, 1 P) Pages in category "Maps of the ...
Age of the bedrock underlying North America, from red (oldest) to blue, green, yellow (newest). Seventy percent of North America is underlain by the Laurentia craton, [5] which is exposed as the Canadian Shield in much of central and eastern Canada around the Hudson Bay, and as far south as the U.S. states of Michigan, Wisconsin, and Minnesota.