REMOVE

1. rock
2. hills
3. sky
4. workers
5. roads
6. black-and-white film

WHAT

1. abstraction (1)
2. blue (2)
3. farming (1)
4. figures (2)
5. figures, abstract (1)
6. Grand Coulee Dam (dam) (1)
7. lakes (bodies of water) (1)
8. landscapes (representatio … (1)
9. machinery (1)
10. mountains (1)
11. oil paint (2)
12. purple (2)
13. Visual works (hierarchy n … (2)

Less

WHERE

1. Nespelem, Washington (1)
2. Pullman, Washington (1)

WHO

1. Still, Clyfford (2)

WHEN

1. 1936 (2)