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Filtering by: Creator McLeod, Donald M Non-Academic Affiliation Oregon. Department of Fish and Wildlife

The effects on salmon populations of the partial elimination of fixed fishing gear on the Columbia River in 1935

Creator:

Johnson, Donald R., Chapman, Wilbert McLeod, 1910-1970, Schoning, Robert W., and Oregon. Fish Commission

Abstract:

1. Six major types of commercial gear have been used to take salmon and steelhead on the Columbia River; namely, gill nets, set nets, seines, traps, fish wheels and dip nets. 2. The five important commercial species in the Columbia River are chinook, silver, blueback and chum salmon and steelhead...

Resource Type:

Technical Report

Full Text:

THE COLUMBIA RIVER IN 1935 D. R. JOHNSON, W. M. CHAPMAN AND R. W. SCHONING OREGON FISH COMMISSION
Illinois Falls fish ladder

Creator:

Jacobson, Donald M., Borovicka, Robert L., and Oregon. State Game Commission. Fishery Division

Abstract:

The construction of Illinois Falls fish ladder on the Illinois River in Oregon was completed in November 1961. The ladder was opened and operated during the winter of 1961-62. Final cleanup and rock removal was completed in the fall of 1962. The ladder was installed on a natural barrier where...

Resource Type:

Technical Report

Full Text:

COMPLETION REPORT Illinois Falls Fish Ladder By Donald M. Jacobson Project Engineer Robert L. Borovicka