REMOVE

1. black-and-white film
2. tools
3. rubbish

WHAT

1. barns (1)
2. cornstalk (2)
3. cranes (equipment) (2)
4. exterior views (1)
5. farmers (1)
6. farms (1)
7. farmyards (1)
8. fathers (1)
9. fences (1)
10. fields (land) (2)
11. freight cars (2)
12. hats (3)
13. hay (material) (1)
14. hills (2)
15. landscapes (representatio … (2)
16. machinery (3)
17. men (male humans) (3)
18. plants (2)
19. portraits (1)
20. railroads (2)
21. rails (transit system ele … (2)
22. sheds (storage structures … (1)
23. sky (2)
24. soil (2)
25. tractors (agricultural eq … (2)
26. trains (vehicle groupings … (2)
27. trees (3)
28. trucks (2)
29. utility poles (2)
30. Visual Works (hierarchy n … (3)
31. wells (structures) (1)
32. wood products (1)
33. woods (plant communities) (2)
34. workers (2)

WHERE

1. New Windsor, Maryland (2)
2. Alberta, Canada (1)

WHO

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

More 

WHEN

1. 1969 (2)
2. 1940 (1)
3. 1940 September 8 (1)