REMOVE

1. hats
2. sitting
3. bow ties
4. shadows
5. neckties
6. women

WHAT

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

Less

WHERE

1. Maryland (1)

WHEN

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