REMOVE

1. boys
2. roads
3. windows
4. trees

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)

Less

WHERE

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

WHO

1. Still, Clyfford (2)

WHEN

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