REMOVE

1. construction equipment
2. workers
3. black-and-white film

WHAT

1. banks (landforms) (1)
2. construction sites (1)
3. cranes (equipment) (1)
4. Grand Coulee Dam (dam) (1)
5. hills (1)
6. machinery (1)
7. men (male humans) (1)
8. rock (1)
9. scaffolds (1)
10. sky (1)
11. soil (1)
12. tools (1)
13. towers (single built work … (1)
14. Visual Works (hierarchy n … (1)
15. 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)