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Multnomah County (Or.) Fishes-Conservation With digital objects
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Program listing "Arizona birds" lecture and articles discussing Willamette Valley project
Program listing "Arizona birds" lecture and articles discussing Willamette Valley project
Columbia River pollution
Columbia River pollution
Articles discussing fishways and William Finley lecture
Articles discussing fishways and William Finley lecture
Articles and correspondence
Articles and correspondence
Articles discussing fishways and William Finley lectures
Articles discussing fishways and William Finley lectures
"Colonel Lee answers attack on waterways"
"Colonel Lee answers attack on waterways"
Articles discussing debate over Willamette Valley project and river pollution
Articles discussing debate over Willamette Valley project and river pollution