REMOVE

1. utility poles
2. mountains
3. rubbish
4. exterior views

WHAT

1. banks (landforms) (1)
2. barriers (1)
3. black-and-white film (1)
4. close-up views (1)
5. construction equipment (1)
6. construction sites (1)
7. cranes (equipment) (1)
8. Grand Coulee Dam (dam) (1)
9. hills (1)
10. machinery (1)
11. roads (1)
12. rock (1)
13. scaffolds (1)
14. sky (1)
15. soil (1)
16. towers (single built work … (1)
17. trees (1)
18. Visual Works (hierarchy n … (1)

WHERE

1. Grand Coulee, Washington (1)

WHO

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

WHEN

1. 1936 (1)
2. 1937 (1)
3. ca. 1936 - 1937 (1)