REMOVE

1. trucks
2. workers
3. landscapes (representations)

WHAT

1. banks (landforms) (1)
2. black-and-white film (2)
3. construction sites (1)
4. cornstalk (2)
5. cranes (equipment) (3)
6. dams (hydraulic structure … (1)
7. exterior views (1)
8. fields (land) (2)
9. freight cars (2)
10. Grand Coulee Dam (dam) (1)
11. hats (2)
12. hills (2)
13. machinery (2)
14. men (male humans) (3)
15. plants (2)
16. railroads (2)
17. rails (transit system ele … (2)
18. rock (1)
19. rubbish (2)
20. scaffolds (1)
21. silver gelatin (1)
22. sky (3)
23. soil (2)
24. tools (3)
25. towers (single built work … (1)
26. tractors (agricultural eq … (2)
27. trains (vehicle groupings … (2)
28. trees (2)
29. utility poles (2)
30. Visual Works (hierarchy n … (3)
31. wood products (1)
32. woods (plant communities) (2)

WHERE

1. New Windsor, Maryland (2)
2. Grand Coulee, Washington (1)

WHO

1. Clyfford Still; Still, Cl … (3)
2. Still, Clyfford (3)
3. Campbell, Sandra L. Still (2)
4. Sandra L. Still Campbell; … (2)

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WHEN

1. 1969 (2)
2. 1936 (1)
3. 1937 (1)
4. circa 1936 to 1937 (1)

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