REMOVE

1. valleys (landforms)
2. scaffolds
3. 1925

WHAT

1. banks (landforms) (1)
2. black-and-white film (1)
3. branches (plant component … (1)
4. bridges (built works) (1)
5. construction sites (1)
6. landscapes (representatio … (1)
7. plants (1)
8. railroads (1)
9. rivers (1)
10. sky (1)
11. trees (1)
12. utility poles (1)
13. Visual Works (hierarchy n … (1)

WHERE

1. Spokane, Washington (1)

WHO

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

WHEN

1. ca. 1925 (1)