REMOVE

1. barriers
2. hills
3. sky
4. trees

WHAT

1. artists (visual artists) (3)
2. atmospheric perspective (1)
3. banks (landforms) (2)
4. black-and-white film (5)
5. branches (plant component … (1)
6. bridges (built works) (1)
7. buildings (structures) (1)
8. bushes (3)
9. close-up views (1)
10. clouds (1)
11. concrete block (3)
12. construction equipment (2)
13. construction sites (2)
14. cranes (equipment) (2)
15. exterior views (1)
16. fences (1)
17. fields (land) (3)
18. forests (plant communitie … (2)
19. Grand Coulee Dam (dam) (2)
20. houses (1)
21. landscapes (representatio … (4)
22. machinery (2)
23. men (male humans) (3)
24. mountains (2)
25. paths (1)
26. plants (3)
27. portraits (3)
28. profiles (figures) (3)
29. railroads (1)
30. rivers (1)
31. roads (2)
32. rock (2)
33. rubbish (1)
34. scaffolds (2)
35. shadows (3)
36. sheds (storage structures … (1)
37. soil (1)
38. sunglasses (1)
39. sunlight (3)
40. towers (single built work … (2)
41. townscapes (representatio … (1)
42. utility poles (5)
43. valleys (landforms) (1)
44. Visual Works (hierarchy n … (5)
45. wood products (1)
46. woods (plant communities) (1)
47. yards (areas) (3)

WHERE

1. Westminster, Maryland (3)
2. Grand Coulee, Washington (2)

WHO

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

More 

WHEN

1. 1964 (3)
2. 1936 (2)
3. 1937 (2)
4. ca. 1936 - 1937 (2)

More