The Mississippi River the Commercial Highway of the Nation the Improvement of
The book The Mississippi River the Commercial Highway of the Nation the Improvement of was written by author Frank H Tompkins Here you can read free online of The Mississippi River the Commercial Highway of the Nation the Improvement of book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Mississippi River the Commercial Highway of the Nation the Improvement of a good or bad book?
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79 THE MISSISSIPPI RIVER ITS PHENOMENA AND PHYSICAL TREATMENT. [MAJOR WM. STARLING, Chief Engineer. ] Every man who is in the habit of making journeys on the great lines of railway has probably observed some of the phenomena of alluvial valleys, for these are selected by the engineers as a bed already partially graded by nature for their roadways. In ascending a mountain range, instead of excavating, escarping and tunneling a road for ourselves, we have only to find in the lowlands a river, the... general direction of whose course corresponds, as nearly as may be to the route sought by us, and then following the stream upward toward one of its sources. In this manner we are conducted by an ascent, easy and gentle at first, after- wards steeper and steeper, to. The dividing ridge, whence, by a reversal of the former process, we gradually descend to the plains on the other side. Those whose faculties are not buried in sleep or benumbed by a dull novel will have observed that the river, after running between iron-bound rocks, expands occasionally into broad and fertile ''bottoms, " becoming wider, longer and more continuous as we descend.
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