Letter discussing Urban Land Utilization Committee and report, "A master plan for Portland"
Letter and manuscript of "Bird-life about a pond"
Information and drawing of proposed Bonneville Dam
Image of Coati and Order of Hoot Owls membership card
General - The California condor
Flocking of the swallows
Every fall evening one may attend the orchestra of the tree crickets
Editorial discussing effects of proposed Willamette River dams on salmon runs
Don Q falls in love
Do birds act like people?
Destruction of fish runs in the Sandy River
Correspondence discussing report of the Bonneville Dam Fishways Committee
Compilation of manuscripts on birds
Columbia River pollution
Call for museum of natural history
Booklet with advertisement for William Finley's "Peter and his friends" and "Bird friends" films
Bonneville Dam drawings
Bird - Life about a pond
Bill introduced regarding commercial fishing near the Bonneville Dam and on Columbia River tributaries east of the Deschutes River
Articles discussing waterway development projects and William Finley lectures
Articles discussing waterway development projects
Articles discussing river pollution, anti-pollution bill, and death of Charles Lathrop Pack
Articles discussing river pollution and lecture given by Dr. William Beebe
Articles discussing river pollution and Members' Forum of the Chamber meeting