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Excerpt from Flood Control of the Mississippi River: Address Before the National Drainage Congress, St. Louis, Mo., April 11th, 1913It requires from 20 to 50 years to produce a good forest growth, and over a century for the leaves of that forest to decay in suffi cient quantities to produce the humus which will be satisfactory as an absorbent of rainfall. We cannot aflord

Title : Flood Control of the Mississippi River: Address Before the National Drainage Congress, St. Louis, Mo., April 11th, 1913 (Classic Reprint)
Author : Curtis McDonald Townsend
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 10, 2021

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