REMOVE

1. railroads
2. freight cars
3. plants
4. buildings (structures)
5. fences

WHAT

1. black-and-white film (1)
2. bushes (1)
3. exterior views (1)
4. farms (1)
5. fields (land) (1)
6. grain elevators (1)
7. landscapes (representatio … (1)
8. paths (1)
9. platforms (general) (1)
10. roads (1)
11. signs (declatory or adver … (1)
12. sky (1)
13. trains (vehicle groupings … (1)
14. utility poles (1)
15. 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)