REMOVE

1. railroads
2. townscapes (representations)
3. fences

WHAT

1. atmospheric perspective (1)
2. banks (landforms) (1)
3. barriers (1)
4. black-and-white film (3)
5. bridges (built works) (1)
6. buildings (structures) (4)
7. clouds (1)
8. construction equipment (1)
9. construction sites (1)
10. cranes (equipment) (1)
11. exterior views (2)
12. fields (land) (1)
13. grain elevators (3)
14. Grand Coulee Dam (dam) (1)
15. hills (1)
16. horizon line (3)
17. houses (3)
18. landscapes (representatio … (4)
19. machinery (1)
20. mountains (1)
21. paths (1)
22. plants (3)
23. rails (transit system ele … (2)
24. rivers (1)
25. roads (2)
26. rock (2)
27. scaffolds (1)
28. sheds (storage structures … (1)
29. signs (declatory or adver … (1)
30. silver gelatin (1)
31. sky (4)
32. soil (1)
33. towers (single built work … (1)
34. trains (vehicle groupings … (1)
35. trees (1)
36. utility poles (4)
37. valleys (landforms) (1)
38. Visual Works (hierarchy n … (4)
39. wood products (1)

WHERE

1. Killam, Alberta, Canada (3)
2. Grand Coulee, Washington (1)

WHO

1. Clyfford Still; Still, Cl … (4)
2. Still, Clyfford (4)

WHEN

1. 1920 (3)
2. 1940 (2)
3. between 1920 - 1940 (2)
4. 1936 (1)
5. 1937 (1)

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