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Corvallis, OR : Cooperative Extension work in Agriculture and Home Economics, Oregon State College and U.S. Dept. of Agriculture cooperating, Dept. of Agri. Eng.
Remove constraint Publisher: Corvallis, OR : Cooperative Extension work in Agriculture and Home Economics, Oregon State College and U.S. Dept. of Agriculture cooperating, Dept. of Agri. Eng.
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Oregon State College. Federal Cooperative Extension Service
Remove constraint Creator: Oregon State College. Federal Cooperative Extension Service