REMOVE

1. rock
2. sunlight
3. Grand Coulee Dam (dam)

WHAT

1. banks (landforms) (1)
2. black-and-white film (1)
3. buildings (structures) (1)
4. construction equipment (1)
5. construction sites (1)
6. cranes (equipment) (1)
7. exterior views (1)
8. hills (1)
9. machinery (1)
10. mountains (1)
11. railroads (1)
12. rails (transit system ele … (1)
13. roads (1)
14. scaffolds (1)
15. shadows (1)
16. sheds (storage structures … (1)
17. sky (1)
18. soil (1)
19. towers (single built work … (1)
20. Visual Works (hierarchy n … (1)
21. 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)