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Author : Keith Petersen
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (359 download)
Download or read book Controversy, Conflict and Compromise written by Keith Petersen and published by . This book was released on 1994 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. Harlen Bretz
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.F/5 ( download)
Download or read book The Channeled Scabland written by J. Harlen Bretz and published by . This book was released on 1932 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith Petersen
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.3/5 (91 download)
Download or read book Discovering Washington written by Keith Petersen and published by . This book was released on 1989 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discovering Washington offers an in-depth survey of how to research and write about the Pacific Northwest's past -- whether you want to prepare a modest family history, or a detailed community or regional study.
Author : United States. Army. Corps of Engineers. Portland District
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.3/5 (121 download)
Download or read book General Letter Report written by United States. Army. Corps of Engineers. Portland District and published by . This book was released on 1982 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (319 download)
Download or read book John Day Lock and Dam, Columbia River, Washington and Oregon written by and published by . This book was released on 1965 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard L. Johnson
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (359 download)
Download or read book John Day Dam, Columbia River, Oregon and Washington written by Richard L. Johnson and published by . This book was released on 1972 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 : 9781423575085
Total Pages : 282 pages
Book Rating : 4.5/5 (75 download)
Download or read book Ice Harbor Lock and Dam Lake Sacajawea, Washington. Feature Design Memorandum Number 34 - Spillway Deflectors written by and published by . This book was released on 1996-09-01 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: River flows passed through the spillways of the dams located on the lower Columbia and lower Snake Rivers produce water that is supersaturated with dissolved gases. These high levels of dissolved gases are detrimental to aquatic life. In the 1970's, spillway deflectors were installed on the spillways of several U.S. Army Corps of Engineers' projects (Bonneville, McNary, Lower Monumental, Little Goose, and Lower Granite Dams) to reduce the high levels of total dissolved gas (TDG) produced. However, in 1976, it was decided to postpone the construction of deflectors at Ice Harbor Dam. Key fishery researchers of that time judged that spillway deflectors at Ice Harbor Dam would cause poor hydraulic conditions in the tailrace that would likely delay or block adult fish passage. Also, the severity and frequency of TDG supersaturation downstream of Ice Harbor Dam was expected to be reduced significantly in the near future because of several factors. These factors included: (1) the recent completion of all six powerhouse turbines at Ice Harbor Dam, which would significantly reduce the amount of spill discharge required during periods of high flow; (2) the recently completed Dworshak Dam, having 3 million acre feet of active flood control storage, which would also reduce the amount of spill required at Ice Harbor Dam due to high flows; and (3) the installation of spillway deflectors and the accelerated schedule for turbine installation at the three lower Snake River dams upstream of Ice Harbor Dam, which would reduce the frequency and level of TDG entering the forebay of Ice Harbor Dam in the near future. This reduction of TDG in the forebay was expected to reduce, to some extent, the level of TDG downstream of Ice Harbor Dam as well. Operation of Ice Harbor Dam has changedh-IS)GT*GD,G9>G-* (DES(
