REMOVE

1. farmers
2. machinery
3. horizon line
4. 1940

WHAT

1. black-and-white film (1)
2. farming (1)
3. farms (1)
4. fields (land) (1)
5. horses (animals) (1)
6. landscapes (representatio … (1)
7. sky (1)
8. threshing machines (1)
9. Visual Works (hierarchy n … (1)
10. wagons (cargo vehicles) (1)
11. wheat (1)

WHERE

1. Bow Island, Alberta, Cana … (1)

WHO

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

WHEN

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