Articles discussing river pollution, anti-pollution bill, and death of Charles Lathrop Pack
Articles discussing river pollution and "Woods, waters and wildlife" lecture
Articles discussing river pollution and William Finley's appointment to wildlife committee by President Roosevelt
Articles discussing river pollution and Members' Forum of the Chamber meeting
Articles discussing river pollution and lecture given by Dr. William Beebe
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 Portland sewage disposal issue and Ed F. Averill lecture
Articles discussing pollution of Willamette River, creation of an executive committee for sportsmen, and the American Nature Association Alaska expedition
Articles discussing pollution of Willamette River and salmon conservation
Articles discussing pollution of Willamette River and removal of eels
Articles discussing pollution of Willamette River
Articles discussing pollution of Columbia and Willamette rivers
Articles discussing pilchard conservation and sewage systems
Articles discussing Oregon tourism, pollution of Oregon rivers, and renaming Malheur Lake refuge
Articles discussing need for Portland sewage system and Pacific College benefit party at Jennings Lodge
Articles discussing need for Portland sewage system
Articles discussing meeting with Oregon Caveman group and opposition to highway construction between Mount Hood and Crater Lake
Articles discussing debate over Willamette Valley project and river pollution
Articles discussing debate over Willamette Valley project and river pollution
Articles discussing debate over Willamette Valley project and river pollution
Articles discussing campaign for Portland sewage system funding
Articles discussing "Camera hunting along the Rockies to Alaska" lecture and pollution of Willamette River
Articles discussing Arthur N. Pack's activities as President of the American Nature Association
Articles discussing Annual Meeting of the Portland Chamber of Commerce and Finley-Church Alaska expedition
Articles discussing "Alaskan wildlife and the Kodiak bear" lecture and 13th annual Camp and Trail Club dinner
Articles discussing 3rd Oregon Wildlife Conference and anti-pollution law
Articles describing William Finley receiving honorary degree from Oregon State College
Articles describing Willamette River pollution and fishing regulations
