REMOVE

1. roads
2. barriers
3. rivers
4. sky
5. valleys (landforms)

WHAT

1. automobiles (1)
2. black-and-white film (1)
3. buildings (structures) (1)
4. exterior views (1)
5. hills (1)
6. landscapes (representatio … (1)
7. Nespelem (1)
8. paths (1)
9. plants (1)
10. rubbish (1)
11. soil (1)
12. tipis (1)
13. trees (1)
14. trucks (1)
15. Visual Works (hierarchy n … (1)

WHERE

1. Nespelem, Washington (1)

WHO

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

WHEN

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