The Conservation of Natural Resources in the United States
The book The Conservation of Natural Resources in the United States was written by author Charles Richard Van Hise Here you can read free online of The Conservation of Natural Resources in the United States book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Conservation of Natural Resources in the United States a good or bad book?
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I have little doubt that before the end of this WATER 179 century most of the improvements suggested, and doubtless others, will become accomplished facts. If the population and commerce of the present time are not sujQScient to warrant them, it is certain that the population and the commerce of the future will do so, — exactly as was warranted the ex- penditure of $]',000,000,000 in improving the rivers of 800,000 square miles in Europe. Finally, a brief statement should be made in reference t...o The the Panama Canal.' While this is not an inland waterway of p^"!^* the United States, it is so connected with the development of those waterways, and especially those of the Mississippi River, that it should be considered. This canal is to be 40 miles be- tween shore lines, and nearly 50 miles between the 41-foot con- tours of the bays of Lyman and Panama. It is to have a chan- nel 42 feet deep, and a minimimi width of 300 feet at the top, and 200 feet at the bottom. The summit is to be made by a large lake 55 feet above mean tide, with three locks on either side, each one to be not less than 1000 feet long, 100 feet wide, and 40 feet deep.
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