REMOVE

1. atmospheric perspective
2. machinery
3. hills
4. trees
5. construction equipment

WHAT

1. banks (landforms) (1)
2. barriers (1)
3. black-and-white film (1)
4. bridges (built works) (1)
5. buildings (structures) (1)
6. clouds (1)
7. construction sites (1)
8. cranes (equipment) (1)
9. fences (1)
10. Grand Coulee Dam (dam) (1)
11. houses (1)
12. landscapes (representatio … (1)
13. mountains (1)
14. paths (1)
15. railroads (1)
16. rivers (1)
17. roads (1)
18. rock (1)
19. scaffolds (1)
20. sheds (storage structures … (1)
21. sky (1)
22. towers (single built work … (1)
23. townscapes (representatio … (1)
24. utility poles (1)
25. valleys (landforms) (1)
26. Visual Works (hierarchy n … (1)
27. wood products (1)

WHERE

1. Grand Coulee, Washington (1)

WHO

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

WHEN

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