REMOVE

1. Grand Coulee Dam (dam)
2. landscapes (representations)
3. mountains

WHAT

1. atmospheric perspective (1)
2. banks (landforms) (3)
3. barriers (2)
4. black-and-white film (3)
5. blue (1)
6. bridges (built works) (2)
7. buildings (structures) (3)
8. bushes (1)
9. clouds (1)
10. construction equipment (3)
11. construction sites (3)
12. cranes (equipment) (3)
13. exterior views (1)
14. fences (2)
15. figures (1)
16. hills (3)
17. houses (1)
18. lakes (bodies of water) (1)
19. machinery (3)
20. oil paint (1)
21. paths (2)
22. purple (1)
23. railroads (2)
24. rails (transit system ele … (1)
25. rivers (3)
26. roads (2)
27. rock (3)
28. rubbish (2)
29. scaffolds (3)
30. sheds (storage structures … (3)
31. signs (declatory or adver … (1)
32. sky (3)
33. soil (2)
34. towers (single built work … (2)
35. townscapes (representatio … (1)
36. trees (2)
37. trucks (1)
38. utility poles (1)
39. valleys (landforms) (2)
40. Visual Works (hierarchy n … (3)
41. Visual works (hierarchy n … (1)
42. wood products (2)

WHERE

1. Grand Coulee, Washington (3)
2. Nespelem, Washington (1)

WHO

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

WHEN

1. 1936 (4)
2. 1937 (3)
3. ca. 1936 - 1937 (3)