REMOVE

1. scaffolds
2. tools
3. construction equipment
4. construction sites

WHAT

1. banks (landforms) (1)
2. black-and-white film (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. sky (1)
10. soil (1)
11. towers (single built work … (1)
12. Visual Works (hierarchy n … (1)
13. wood products (1)
14. workers (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)