REMOVE

1. yellow
2. railroads
3. red

WHAT

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

WHERE

1. Pullman, Washington (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1932 (1)