REMOVE

1. roads
2. plants
3. fences
4. driveways
5. buildings (structures)
6. barns

WHAT

1. banks (landforms) (1)
2. birds (animals) (1)
3. black-and-white film (1)
4. farmhouses (1)
5. farms (1)
6. farmyards (1)
7. fields (land) (1)
8. forests (plant communitie … (1)
9. landscapes (representatio … (1)
10. sky (1)
11. trees (1)
12. Visual Works (hierarchy n … (1)

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra L. Still Campbell; … (1)

WHEN

1. 1961 (1)
2. after 1961 (1)