REMOVE

1. trains (vehicle groupings)
2. plants
3. fields (land)
4. fences

WHAT

1. black-and-white film (1)
2. buildings (structures) (1)
3. bushes (1)
4. exterior views (1)
5. farms (1)
6. freight cars (1)
7. grain elevators (1)
8. landscapes (representatio … (1)
9. paths (1)
10. platforms (general) (1)
11. railroads (1)
12. roads (1)
13. signs (declatory or adver … (1)
14. sky (1)
15. utility poles (1)
16. Visual Works (hierarchy n … (1)

WHERE

1. Killam, Alberta, Canada (1)

WHO

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

WHEN

1. 1920 (1)
2. 1940 (1)
3. between 1920 - 1940 (1)