REMOVE

1. sky
2. blue
3. 1912
4. 1957
5. ca. 1937 - 1938

WHAT

1. Visual works (hierarchy n … (1)
2. cranes (equipment) (1)
3. figures (representations) (1)
4. machinery (1)
5. oil paint (paint) (1)

WHERE

1. San Francisco, California (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1942 (1)
2. Realist (1)
3. Regionalist (American Sce … (1)