REMOVE

1. sky
2. farming
3. Bow Island, Alberta, Canada
4. 1942

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. clouds (1)
4. farmers (1)

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WHO

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

WHEN

1. 1938 (1)
2. circa 1940 (1)