REMOVE

1. sunlight
2. construction sites
3. mountains
4. black-and-white film

WHAT

1. banks (landforms) (1)
2. buildings (structures) (1)
3. construction equipment (1)
4. cranes (equipment) (1)
5. exterior views (1)
6. Grand Coulee Dam (dam) (1)
7. hills (1)
8. machinery (1)
9. railroads (1)
10. rails (transit system ele … (1)
11. roads (1)
12. rock (1)
13. scaffolds (1)
14. shadows (1)
15. sheds (storage structures … (1)
16. sky (1)
17. soil (1)
18. towers (single built work … (1)
19. Visual Works (hierarchy n … (1)
20. wood products (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)