REMOVE

1. horizon line
2. landscapes (representations)
3. black-and-white film
4. wheat
5. threshing machines
6. Bow Island, Alberta, Canada
7. 1940

WHAT

1. Visual Works (hierarchy n … (1)
2. farmers (1)
3. farming (1)
4. farms (1)

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WHO

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

WHEN

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