REMOVE

1. landscapes (representations)
2. cranes (equipment)
3. machinery
4. Abstract
5. 1942

WHAT

1. Visual works (hierarchy n … (1)
2. oil paint (paint) (1)

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WHERE

1. San Francisco, California (1)

WHO

1. Still, Clyfford (1)

WHEN

1. Regionalist (American Sce … (1)