REMOVE

1. rivers
2. porches
3. farms
4. 1945

WHAT

1. Visual works (hierarchy n … (1)
2. abstraction (1)
3. black (1)
4. brown (1)
5. gray (1)

WHERE

1. San Francisco, California (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1949 (1)