REMOVE

1. hills
2. fences
3. railroads
4. buildings (structures)
5. 1925

WHAT

1. banks (landforms) (1)
2. black-and-white film (1)
3. bridges (built works) (1)
4. construction equipment (1)
5. construction sites (1)
6. landscapes (representatio … (1)
7. rivers (1)
8. roads (1)
9. rock (1)
10. scaffolds (1)
11. sky (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)