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Filtering by: Subject Habitat surveys -- Oregon Decade 1950-1959 File Format application/pdf

Creator:: Gharrett, John T., Hodges, John I., and Oregon. Fish Commission
Abstract:: In spite of the progressive restrictions of the commercial river fishery during the past fifty years, the trend of the salmon populations of the coastal rivers has been downward. It is almost impossible to isolate and analyze separately the causes of this decline, and any attempt to saddle one factor...
Resource Type:: Technical Report
Full Text:: , 1891-1948 19 Figure 13. The Coquille River of Oregon Showing Areas of Survey and Ob- structions to

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