Articles discussing Portland sewage disposal issue and Ed F. Averill lecture
Articles discussing Izaak Walton League Oregon State Council Convention
Article discussing Willamette Valley project
Articles discussing debate over Willamette Valley project and 3rd Annual Oregon Audubon Society Dinner
Articles discussing debate over Willamette Valley project
Articles discussing Willamette Valley project and migratory waterfowl in Mexico
Articles discussing river pollution and lecture given by Dr. William Beebe
Articles discussing pilchard conservation and sewage systems
Articles discussing proposed dam construction, salmon conservation, and "Woods, waters and wildlife" lecture
Articles discussing waterway development projects
Articles discussing river development projects and William Finley's speech at Izaak Walton League Coos County chapter meeting
Articles discussing meeting of Izaak Walton League Coos County chapter
Articles discussing construction of dams on Oregon rivers and salmon populations
Articles discussing construction of dams on Oregon rivers and salmon populations
Articles discussing William Finley lecture tour and effects of dams on fish populations
Article describing the effects of Willamette River pollution on released fish
Articles discussing Rogue River pollution and dams on the Willamette River
Advertisement and newspaper clippings discussing William Finley lecture, Malheur Lake refuge, and river cleanup
Letters to the editor discussing Willamette River pollution
Articles discussing trout populations in western Oregon and effects of dams on salmon fishing
Articles discussing river pollution and William Finley's appointment to wildlife committee by President Roosevelt
"Oregon aims to be the first state pollution free"
Articles discussing meeting with Oregon Caveman group and opposition to highway construction between Mount Hood and Crater Lake
Articles discussing campaign for Portland sewage system funding
Article discussing death of killer whale traveling up the Columbia River
Articles discussing killer whale traveling up the Columbia River
Articles discussing killer whale traveling up the Columbia River and Finley's observations of bears
Articles discussing a possible natural history museum in Portland and a killer whale traveling up the Columbia River