the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico)

the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico)

the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico)

the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico)

the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico)

the watershed of a continent (especially the watershed of North America formed by a series of mountain ridges extending from Alaska to Mexico)

A ridge of high land dividing two areas that are drained by different river systems, The edge of a river-basin (see river); the line separating the waters flowing into two different rivers or river-basins, The line of division between two adjacent rivers or lakes with respect to the flow of water by natural channels into them; the natural boundary of a basin; -- called also divide and water parting

To form a border or barrier between, To group according to kind; classify or assign, transitive verb_ To part asunder (a whole); to sever into two or more parts or pieces; to sunder; to separate into parts, noun_ A dividing point or line, A dividing ridge of land between the tributaries of two streams; also called watershed and water parting A divide on either side of which the waters drain into two different oceans is called a continental divide