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Columbia River Fisheries Development Program: screening of irrigation diversions
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1985
[PDF-30.95 MB]
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Description:The initial task in developing a screening program was to identify the actual need for screening of irrigation diversions. To define the problem, the CRFDP initiated watershed surveys of the mid-Columbia and Snake Rivers and their tributaries in the mid-1950's and early 1960's. The resulting sub-basin reports located and enumerated most unscreened irrigation diversions in the target watersheds. The reports described a serious problem needing corrective action. Construction began in the mid-1950's and has continued to some extent into the 1980's (Table 1).
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Rights Information:Public Domain
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Compliance:Library
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