REMOVE

1. railroads
2. trees
3. plants
4. rivers

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. scaffolds (1)
8. sky (1)
9. utility poles (1)
10. valleys (landforms) (1)
11. Visual Works (hierarchy n … (1)

WHERE

1. Spokane, Washington (1)

WHO

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

WHEN

1. 1925 (1)
2. ca. 1925 (1)