REMOVE

1. cardigans
2. hats
3. neckties
4. windows
5. buildings (structures)
6. automobiles
7. dresses (garments)

WHAT

1. atmospheric perspective (1)
2. banks (landforms) (1)
3. black-and-white film (1)
4. fields (land) (1)
5. forests (plant communitie … (1)
6. hills (1)
7. horizon line (1)
8. landscapes (representatio … (1)
9. plants (1)
10. roads (1)
11. sky (1)
12. trees (1)
13. utility poles (1)
14. Visual Works (hierarchy n … (1)

WHERE

1. Maryland (1)

WHEN

1. 1960 (1)
2. 1970 (1)
3. between 1960 - 1970 (1)