REMOVE

1. roads
2. farms
3. 1961
4. 1938

WHAT

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

WHERE

1. San Francisco, California (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1947 (1)