Subject
- Canning and preserving1
- Food industry and trade -- Northwest, Pacific1
- Frozen foods -- Quality1
- Frozen foods industry -- Northwest, Pacific1
- Frozen peas1
- Frozen peas -- Economic aspects1
- Frozen peas -- Economic aspects -- Oregon1
- Frozen peas -- Quality1
- Frozen peas -- Utilization1
- Frozen vegetables1
- Pea industry -- Economic aspects -- Oregon1
- Peas1
- Peas -- Quality1
- Peas -- Utilization1