REMOVE

1. brown
2. workers
3. green
4. yellow
5. clouds
6. farming
7. blue

WHAT

1. Visual works (hierarchy n … (1)
2. abstraction (1)
3. black (1)
4. oil pastels (1)
5. red (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1977 (1)
2. 1977-02-15 (1)