REMOVE

1. hills
2. sky
3. processions
4. roads
5. Nespelem, Washington

WHAT

1. automobiles (1)
2. black-and-white film (1)
3. horses (animals) (1)
4. landscapes (representatio … (1)
5. men (male humans) (1)
6. Native American (1)
7. Nespelem (1)
8. tipis (1)
9. trees (1)
10. trucks (1)
11. Visual Works (hierarchy n … (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. 1937 (1)
2. 1938 (1)
3. ca. 1937 - 1938 (1)