REMOVE

1. wheat
2. farming
3. horizon line
4. 1920

WHAT

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

WHERE

1. Bow Island, Alberta, Cana … (1)

WHO

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

WHEN

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