Advanced Geography . cebasin; and at the south, into the Gulf coastal plain. Thegreater part of the long val-ley is covered with farms. The largest rivers rising inthe Appalachian region do notrun along the Great Valley butacross it, and escape by deep andnarrow gorges worn through theinclosing highland. The Hud-son, Delaware, Susque-hanna, Potomac andJames rivers rise in thehighland west of the GreatValley and flow across thevalley and the Old Appa-lachian range. See coloredmap of Middle Atlanticstates, page 1J/5. The Tennessee riverrises in the old range eastof the long valley, but Erle Cema
Advanced Geography . cebasin; and at the south, into the Gulf coastal plain. Thegreater part of the long val-ley is covered with farms. The largest rivers rising inthe Appalachian region do notrun along the Great Valley butacross it, and escape by deep andnarrow gorges worn through theinclosing highland. The Hud-son, Delaware, Susque-hanna, Potomac andJames rivers rise in thehighland west of the GreatValley and flow across thevalley and the Old Appa-lachian range. See coloredmap of Middle Atlanticstates, page 1J/5. The Tennessee riverrises in the old range eastof the long valley, but Erle Cemal- flows westward across the valley and reaches the Ohio river. The most important of these cross-gorges in the Ap-palachian range is that of the Hudson river, for it unites 1 See pictures of Grand Manan, page 1J. with other valleys to make an open highway northwardto the St. Lawrence basin and westward up the Mohawkriver towards the Great Lakes. Northward the valleyroute leads through lake George and lake A Cypress Swamp.
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Keywords: ., bookaut, bookcentury1800, bookdecade1890, bookidadvancedgeography
