REMOVE

1. sky
2. black-and-white film
3. 1946
4. 1978

WHAT

1. buildings (structures) (1)
2. exterior views (1)
3. fences (1)
4. grain elevators (1)
5. horizon line (1)
6. landscapes (representatio … (1)
7. plants (1)
8. roads (1)
9. silver gelatin (1)
10. soil (1)
11. trees (1)
12. utility poles (1)
13. Visual Works (hierarchy n … (1)
14. wood (1)
15. woods (plant communities) (1)

WHERE

1. Alberta, Canada (1)

WHO

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

WHEN

1. 1920 (1)
2. 1945 (1)
3. between circa 1929 and ci … (1)