REMOVE

1. sky
2. berets
3. tools
4. rock
5. 1949
6. 1971
7. 1967
8. 1937

WHAT

1. banks (landforms) (1)
2. black-and-white film (1)
3. buildings (structures) (2)
4. bushes (1)
5. color film (film) (1)
6. construction equipment (1)
7. construction sites (1)
8. cranes (equipment) (2)
9. exterior views (2)
10. factories (structures) (1)
11. fields (land) (1)
12. forests (plant communitie … (1)
13. Grand Coulee Dam (dam) (1)
14. hills (2)
15. landscapes (representatio … (2)
16. machinery (2)
17. mountains (1)
18. plants (1)
19. quarries (extracting comp … (1)
20. railroads (1)
21. rails (transit system ele … (1)
22. rivers (1)
23. roads (1)
24. rubbish (1)
25. scaffolds (1)
26. sheds (storage structures … (2)
27. signs (declatory or adver … (1)
28. soil (2)
29. towers (single built work … (1)
30. trees (2)
31. trucks (2)
32. utility poles (1)
33. Visual Works (hierarchy n … (2)

WHERE

1. Grand Coulee, Washington (1)
2. Westminster, Maryland (1)

WHO

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

WHEN

1. 1936 (1)
2. 1975 (1)
3. ca. 1936 - 1937 (1)