REMOVE

1. roads
2. railroads
3. rivers
4. bridges (built works)

WHAT

1. atmospheric perspective (1)
2. automobiles (1)
3. banks (landforms) (2)
4. barriers (1)
5. black-and-white film (2)
6. buildings (structures) (2)
7. cityscapes (representatio … (2)
8. clouds (3)
9. color film (film) (2)
10. construction equipment (2)
11. construction sites (2)
12. cranes (equipment) (1)
13. exterior views (2)
14. farms (2)
15. fences (2)
16. grain elevators (1)
17. Grand Coulee Dam (dam) (1)
18. hills (2)
19. horizon line (2)
20. houses (1)
21. Jaguar Mark series automo … (1)
22. landscapes (representatio … (4)
23. machinery (1)
24. mountains (1)
25. paths (1)
26. rock (2)
27. scaffolds (2)
28. sheds (storage structures … (1)
29. sky (2)
30. towers (single built work … (1)
31. townscapes (representatio … (1)
32. trees (3)
33. utility poles (3)
34. valleys (landforms) (1)
35. Visual Works (hierarchy n … (4)
36. wood products (1)
37. woods (plant communities) (1)

WHERE

1. 1445 Old Westminster Road … (1)
2. Grand Coulee, Washington (1)
3. Middle Atlantic States (1)
4. New York (1)
5. Pennsylvania (1)

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WHO

1. Clyfford Still; Still, Cl … (2)
2. Still, Clyfford (2)
3. Still, Patricia (2)

WHEN

1. 1964 (2)
2. 1925 (1)
3. 1936 (1)
4. 1937 (1)
5. 1965 (1)

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