REMOVE

1. 1935
2. 1970
3. 1632
4. 1961

WHAT

1. blue (2)
2. brown (1)
3. clouds (2)
4. farming (1)
5. figures (1)
6. grain elevators (1)
7. green (2)
8. landscapes (representatio … (2)
9. machinery (1)
10. oil paint (2)
11. railroads (1)
12. red (1)
13. trains (vehicle groupings … (1)
14. Visual works (hierarchy n … (2)
15. workers (1)
16. yellow (2)

WHERE

1. Killam, Alberta, Canada (1)
2. Pullman, Washington (1)

WHO

1. Still, Clyfford (2)

WHEN

1. 1929 (1)
2. 1932 (1)