Removal of Dams, Illinois River; Hearings Before the Committee on Flood Control, House of Representatives, Sixty-Fourth Congress, First Session, on Removal of Dams in the Illinois River. May 11, 1916

Removal of Dams, Illinois River; Hearings Before the Committee on Flood Control, House of Representatives, Sixty-Fourth Congress, First Session, on Removal of Dams in the Illinois River. May 11, 1916

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...data from the period beginning December, 1914, to Februar, 1916. This information has been gathered by means of a self-recording gauge esta lished by the rivers and lakes commission at Jackson Street, Joliet, just below what is known as Dam No. 1, andgauge readings taken in the Des Plaines River at Lemont, Ill., below the Wiliowj Springs SpilJ;va'=_v-'. These gauges are operated in cooperation with the water-resDurCo's7b!a1!1(li'.oT 'th'e United States Geological Survey. The flow in the Des Plaines River at the selfrecording gauge at Jackson Street includes the entire flow from the Chicago Drainage Canal, together with the entire flow of the Des Plaines River, excepting a certain quantity which is used to feed the Illinois and Michigan Canal and a small water power connected therewith in the southern art of Johet. This quantity has been taken as 365 cubic feet-seconds, and is base upon a number of dischar e measurements taken over a period of several months. The total flow of the es Plaines River, exclusive of the drainage canal, is obtained by computing the percentage of run-off over the 75 square miles of drainage area below Lemont, adding that to the observed discharge at Lemont. The two drainage areas above Lemont and from Lemont to Jackson Street, Joliet, are 704 s uare miles and 75 square miles, respectively. (A part of the 704 square miles o drainage overflows the Willow Springs Spillway in flood time.) From analyses of run-off conditions on this stream I have estimated that the additional run-off over the 75 square miles was 20 per cent of the run-off at Lemont. The flow from the drainage canal includes not onl the water taken from Lake MiCl1igaI1, but includes the entire natural and sewerage rainage of both branches of the...show more

Product details

  • Paperback | 28 pages
  • 189 x 246 x 2mm | 68g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236787250
  • 9781236787255