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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.
Creator
United States. Dept. Of Agriculture
Remove constraint Creator: United States. Dept. Of Agriculture
Subject
Cattle guards -- Design and construction
Remove constraint Subject: Cattle guards -- Design and construction
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