REMOVE

1. trees
2. rock
3. trees
4. garages

WHAT

1. artists (visual artists) (1)
2. automobiles (2)
3. banks (landforms) (1)
4. beards (1)
5. berets (1)
6. black-and-white film (3)
7. boys (1)
8. branches (plant component … (2)
9. brick (clay product) (1)
10. buildings (structures) (6)
11. bushes (3)
12. children (1)
13. coats (garments) (1)
14. color film (film) (4)
15. doors (3)
16. driveways (5)
17. exterior views (7)
18. fences (4)
19. fields (land) (1)
20. forests (plant communitie … (1)
21. freight cars (1)
22. hills (1)
23. houses (5)
24. landscapes (representatio … (1)
25. men (male humans) (5)
26. neighborhoods (5)
27. plants (7)
28. porches (1)
29. portraits (1)
30. railroads (1)
31. rails (transit system ele … (1)
32. roads (4)
33. rubbish (1)
34. service stations (1)
35. sheds (storage structures … (4)
36. sidewalks (3)
37. signs (declatory or adver … (1)
38. sky (3)
39. soil (1)
40. trains (vehicle groupings … (1)
41. trucks (5)
42. utility poles (4)
43. Visual Works (hierarchy n … (7)
44. wheels (components) (1)
45. windows (5)
46. workers (4)
47. yards (areas) (6)

WHERE

1. New Windsor, Maryland (7)

WHO

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

More 

WHEN

1. 1971 (6)
2. ca. 1971 (5)
3. 1969 (1)