REMOVE

1. paths
2. barriers
3. mountains
4. utility poles
5. construction sites

WHAT

1. atmospheric perspective (1)
2. banks (landforms) (1)
3. black-and-white film (1)
4. bridges (built works) (1)
5. buildings (structures) (1)
6. clouds (1)
7. construction equipment (1)
8. cranes (equipment) (1)
9. fences (1)
10. Grand Coulee Dam (dam) (1)
11. hills (1)
12. houses (1)
13. landscapes (representatio … (1)
14. machinery (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. trees (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)