Subject
- Dry farming -- Economic aspects -- Oregon -- Wasco County2
- Wheat -- Economic aspects -- Oregon -- Wasco County2
- Agriculture -- Oregon1
- Dairy cattle -- Breeding -- Societies, etc. -- Economic aspects1
- Dairy cattle -- Economic aspects -- Oregon1
- Dairy farming -- Economic aspects -- Oregon1
- Dairy farms -- Economic aspects -- Oregon -- Pacific Coast1
- Dairying -- Economic aspects -- Oregon1
- Irrigation farming -- Economic aspects -- Oregon -- Jefferson County1
- Irrigation farming -- Oregon -- Jefferson County1
- Milk yield -- Oregon1