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Multnomah County (Or.) Fishes-Conservation Text 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
"Colonel Lee answers attack on waterways"
"Colonel Lee answers attack on waterways"
Articles discussing fishways and William Finley lectures
Articles discussing fishways and William Finley lectures
Articles discussing fishways and William Finley lecture
Articles discussing fishways and William Finley lecture
Articles discussing debate over Willamette Valley project and river pollution
Articles discussing debate over Willamette Valley project and river pollution
Articles and correspondence
Articles and correspondence