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Filtering by: Subject Water -- Pollution -- Physiological effects -- Oregon -- Willamette River Decade 1950-1959

1. The Willamette River fishes as biological indicators of pollution

Creator:: Noble, Richard Earl
Abstract:: An investigation of the fishes of the Willamette River and three of its larger tributaries was made during July, August, September, and November of 1951, to ascertain the possibility of using them as bio-indices of pollution. Thirteen stations were established on the Willamette River and tributaries. These stations were selected...
Resource Type:: Masters Thesis
Full Text:: , Steelhead ........................ 88 Figure 38. Water Flow Data for the Willamette River at Salem, Oregon