Limit your search
Topic
- Burning of land 75
- Agricultural machinery 32
- Croplands 8
- Agricultural laborers 4
- Oregon State University 3
- Soil science--Experiments 3
- Corvallis (Or.) 2
- Smoke 2
- Civilian Conservation Corps (U.S.) 1
- Forests and forestry 1
- more »
Work Type
- photographs 75
- color photographs 74
- color slides 74
- aerial photographs 12
- photographic prints 1
Format
- image/tiff 75
