REMOVE

1. ladders
2. trees

WHAT

1. artists (visual artists) (1)
2. autumn (1)
3. banks (landforms) (1)
4. barns (1)
5. black-and-white film (6)
6. blouses (main garments) (1)
7. branches (plant component … (2)
8. buildings (structures) (3)
9. bushes (1)
10. close-up views (1)
11. coats (garments) (1)
12. color film (film) (1)
13. columns (architectural el … (1)
14. cornstalk (1)
15. daughters (1)
16. doors (1)
17. exterior views (3)
18. farms (1)
19. fields (land) (2)
20. forests (plant communitie … (1)
21. fountains (1)
22. freight cars (5)
23. gardens (open spaces) (1)
24. hats (2)
25. houses (2)
26. interior views (1)
27. landscapes (representatio … (2)
28. mansions (1)
29. men (male humans) (2)
30. plants (6)
31. porches (1)
32. portraits (1)
33. railroads (5)
34. rails (transit system ele … (5)
35. roads (1)
36. rock (1)
37. rubbish (3)
38. scaffolds (1)
39. signs (declatory or adver … (1)
40. skirts (garments) (1)
41. sky (6)
42. soil (4)
43. trains (vehicle groupings … (5)
44. trucks (1)
45. utility poles (2)
46. Visual Works (hierarchy n … (7)
47. wheels (components) (5)
48. windows (2)
49. women (1)
50. workers (1)
51. wrecks (sites) (5)

WHERE

1. New Windsor, Maryland (6)

WHO

1. Campbell, Sandra L. Still (6)
2. Sandra L. Still Campbell; … (6)
3. Clyfford Still; Still, Cl … (5)
4. Still, Clyfford (5)
5. Still, Patricia (1)

More 

WHEN

1. 1969 (5)
2. 1970 (1)