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Limnological Investigations: Lake Koocanusa, Montana. Part 1. Pre-Impoundment Study, 1967-1972.

Author: Thomas J H Bonde; Ronald M Bush; COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH.
Publisher: Ft. Belvoir Defense Technical Information Center OCT 1982.
Series: Special report (U.S. Army Cold Regions Research and Engineering Laboratory), 82:21.
Edition/Format:   Book : English
Database:WorldCat
Summary:
This report documents the effects of the construction of Libby Dam upon the water quality of the United States portion of the Kootenai River during the pre-impoundment phase of a long-term water quality study. Water quality problems during dam construction appeared to be restricted to short-term increases in suspended sediment and turbidity which suppressed the aquatic insect population in the river downstream.  Read more...
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Document Type: Book
All Authors / Contributors: Thomas J H Bonde; Ronald M Bush; COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH.
OCLC Number: 227557867
Notes: See also Part 4, AD-A119 328.
Description: 196 p.
Series Title: Special report (U.S. Army Cold Regions Research and Engineering Laboratory), 82:21.

Abstract:

This report documents the effects of the construction of Libby Dam upon the water quality of the United States portion of the Kootenai River during the pre-impoundment phase of a long-term water quality study. Water quality problems during dam construction appeared to be restricted to short-term increases in suspended sediment and turbidity which suppressed the aquatic insect population in the river downstream. Abnormally high background concentrations and abrupt chemical changes in water quality during the course of the study were attributed to industrial discharges from a fertilizer plant and mining operation located on an upstream tributary to the river. Nutrient loadings of nitrogen and phsophorus were found to be of sufficient magnitude to predict the development of eutrophic conditions following inpoundment suggesting that efforts in controlling nutrient point sources be continued. (Author).

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