Articles discussing effects of dams on Oregon rivers
Articles discussing debate over Willamette Valley project and river pollution
Articles discussing debate over Willamette Valley project and river pollution
Articles discussing dam construction and log transportation on Willamette River
Articles discussing campaign for Portland sewage system funding
Articles discussing Bonneville power plant and Willamette Valley project
Articles authored by William Finley and Ed F. Averill discussing Oregon wildlife
Articles and correspondence
Articles
Article in an issue of the Business Survey of the Portland Area discussing the effect of fishways on salmon at Bonneville Dam
Article discussing Bonneville Dam
Advertisement for lecture and card of appreciation from Advertising Club of Portland
A new zoo for Portland