Subject
- Herbicides2
- Acoustical engineering1
- Beef cattle -- Feeding and feeds1
- Beef cattle -- Genetic engineering1
- Beef cattle -- Oregon -- Congresses1
- Blood proteins1
- Calves -- Feeding and feeds1
- Cattle -- Breeding1
- Engineering -- Research -- Oregon1
- Fluid amplifiers1
- Forestry schools and education -- California1
- Frozen beans1
- Grass tetany1
- Highway research -- Congresses1
- Inbreeding1
- Land use -- Classification1
- Land use -- Oregon -- Clatsop County -- Planning1
- Land use, Rural -- Oregon -- Clatsop County -- Planning1
- Metallurgical furnaces1
- Nitrogen -- Metabolism1