REMOVE

1. hills
2. black-and-white film
3. fences
4. construction equipment
5. rubbish

WHAT

1. banks (landforms) (1)
2. barriers (1)
3. bridges (built works) (1)
4. buildings (structures) (1)
5. construction sites (1)
6. cranes (equipment) (1)
7. Grand Coulee Dam (dam) (1)
8. landscapes (representatio … (1)
9. machinery (1)
10. mountains (1)
11. paths (1)
12. rivers (1)
13. roads (1)
14. rock (1)
15. scaffolds (1)
16. sheds (storage structures … (1)
17. sky (1)
18. soil (1)
19. valleys (landforms) (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)