REMOVE

1. freight cars
2. railroads
3. farms
4. roads

WHAT

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