REMOVE

1. clouds
2. red
3. blue

WHAT

1. grain elevators (1)
2. green (1)
3. landscapes (representatio … (1)
4. oil paint (1)
5. railroads (1)
6. trains (vehicle groupings … (1)
7. Visual works (hierarchy n … (1)
8. yellow (1)

WHERE

1. Pullman, Washington (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1932 (1)