The international geography . they have cut narrow trenchesin the valley floors. The Hudson and St. Lawrence are unlike all the other rivers of theGreat Valley in having their valleys partly flooded by sea water, in con-sequence of the moderate depression of the northern lands already men-tioned in describing the bays of the New England coast. The lower St. The United States 729 Lawrence is thus broadly expanded into a funnel-shaped bay, misnamed agulf ; but the drowned Hudson is closely hemmed in by the steep walls ofthe highlands. It thus retains the appearance of a river, although itsvolume
The international geography . they have cut narrow trenchesin the valley floors. The Hudson and St. Lawrence are unlike all the other rivers of theGreat Valley in having their valleys partly flooded by sea water, in con-sequence of the moderate depression of the northern lands already men-tioned in describing the bays of the New England coast. The lower St. The United States 729 Lawrence is thus broadly expanded into a funnel-shaped bay, misnamed agulf ; but the drowned Hudson is closely hemmed in by the steep walls ofthe highlands. It thus retains the appearance of a river, although itsvolume is by no means an appropriate measure of the rainfall on its is a deep navigable waterway, open to large vessels to the head of tideat Albany and Troy, 150 miles from New York. It is the only deep-waterpassage through the Atlantic highlands ; and on this fact chiefly dependsthe metropolitan rank of New York City among the Atlantic seaports. Thenorthw^ard extension of New York Colony and State, from its first settle-. FlG. 356.—r/t« Site of New York City. ment at the mouth of the Hudson, repeats the northward extension of Virginiaand Pennsylvania from the colonies on their lower bays. Just as the lattercolonies claimed possession of long belts of territory westward to thePacific, and thus confined Maryland, Delaware and New Jersey to smallareas, so the former claimed control of all the land west of the northernOlder Appalachians, and thus determined the small dimensions of the NewEngland States. Had the Potomac been drowned, not only in its courseacross the coastal plain as far inland as Washington, but through its gorgein the Blue Ridge to Harpers Ferry, Norfolk might have tried to rivalNew York City ; yet, even then, the upper Potomac would have had no 730 The International Geography branch valley comparable to that of the Mohawk, by which^ as will beshown further on, New York City has so greatly benefited. New York, Philadelphia and Baltimore.—The relation ofNe
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeography, bookyear19
