Articles discussing "Camera hunting along the Rockies to Alaska" lecture and pollution of Willamette River
Articles discussing meeting with Oregon Caveman group and opposition to highway construction between Mount Hood and Crater Lake
"Oregon conquers stream pollution"
Articles discussing river pollution and lecture given by Dr. William Beebe
Articles discussing need for Portland sewage system and Pacific College benefit party at Jennings Lodge
Articles discussing debate over Willamette Valley project and river pollution
Program and articles discussing Izaak Walton League Oregon State Council Convention
Articles discussing pollution of Columbia and Willamette rivers
Articles authored by William Finley and Ed F. Averill discussing Oregon wildlife
Articles discussing Arthur N. Pack's activities as President of the American Nature Association
Effect of oil pollution on seafowl
Articles discussing pollution of Willamette River, creation of an executive committee for sportsmen, and the American Nature Association Alaska expedition
Articles discussing campaign for Portland sewage system funding
"Oregon aims to be the first state pollution free"
Article discussing cleanup of Oregon waterways
Articles discussing "Alaskan wildlife and the Kodiak bear" lecture and 13th annual Camp and Trail Club dinner
Articles discussing Oregon tourism, pollution of Oregon rivers, and renaming Malheur Lake refuge
Recreational Resources Committee meeting minutes
Articles discussing proposed sewage system in Portland and William Finley's "Woods, water, wild life" lecture at the Izaak Walton League of American convention
Articles discussing William Finley lectures and endorsement of East Bay Regional Park
Articles discussing river pollution and Members' Forum of the Chamber meeting
Articles discussing river pollution, anti-pollution bill, and death of Charles Lathrop Pack
Articles discussing debate over Willamette Valley project and river pollution
Articles
Articles discussing river pollution and "Woods, waters and wildlife" lecture
Article describing the effects of Willamette River pollution on released fish
Articles discussing 3rd Oregon Wildlife Conference and anti-pollution law
