REMOVE

1. trains (vehicle groupings)
2. landscapes (representations)
3. white
4. 1930
5. 1931

WHAT

1. Visual works (hierarchy n … (1)
2. clouds (1)
3. figures (1)
4. grain elevators (1)

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WHERE

1. Killam, Alberta, Canada (1)

WHO

1. Still, Clyfford (1)

WHEN

1. between 1930 and 1931 (1)