REMOVE

1. sky
2. roads
3. hills
4. farms

WHAT

1. banks (landforms) (1)
2. barns (1)
3. black-and-white film (1)
4. buildings (structures) (1)
5. clouds (1)
6. exterior views (1)
7. fields (land) (1)
8. forests (plant communitie … (1)
9. horizon line (1)
10. houses (1)
11. landscapes (representatio … (1)
12. plants (1)
13. signs (declatory or adver … (1)
14. trees (1)
15. utility poles (1)
16. Visual Works (hierarchy n … (1)

WHERE

1. Maryland (1)

WHEN

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