Browsing Extension Service -- Circulars / Extension Circulars by Author "United States. Dept. of Agriculture"

Now showing items 1-4 of 4

Cattle guard : reinforced concrete

Oregon State College. Federal Cooperative Extension Service; United States. Dept. of Agriculture (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
Cattle guard : wood construction

Oregon State College. Federal Cooperative Extension Service; United States. Dept. of Agriculture (Corvallis, OR : Cooperative Extension work in Agriculture and Home Economics, Oregon State College and U.S. Dept. of Agriculture cooperating, Dept. of Agri. Eng., 1952-06)
Good silage

Oregon State College. Federal Cooperative Extension Service; United States. Dept. of Agriculture (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1949-03)
Oregon's grass and legume seed crops 1936-53

Oregon State College. Federal Cooperative Extension Service; United States. Dept. of Agriculture (Corvallis, Or. :Federal Cooperative Extension Service, Oregon State College, 1954-11)