Articles describing effects of Willamette River pollution on fish and crayfish
Articles authored by William Finley and Ed F. Averill discussing Oregon wildlife
Articles
Articles
Articles
Article discussing William Finley lecture on dams, salmon, and river pollution
Article discussing Izaak Walton League Oregon State Council Convention
Article discussing Izaak Walton League Oregon State Council Convention
Article discussing effects of dams, diseases, and pollution on salmon populations
Article discussing cleanup of Oregon waterways
Article describing the effects of Willamette River pollution on released fish
Advertisements and articles discussing William Finley lectures and effects of Columbia River projects on fish populations
Advertisement and newspaper clippings discussing William Finley lecture, Malheur Lake refuge, and river cleanup
