REMOVE

1. soil
2. fences
3. black-and-white film
4. mountains
5. 1937

WHAT

1. banks (landforms) (1)
2. barriers (1)
3. bridges (built works) (1)
4. buildings (structures) (1)
5. construction equipment (1)
6. construction sites (1)
7. cranes (equipment) (1)
8. Grand Coulee Dam (dam) (1)
9. hills (1)
10. landscapes (representatio … (1)
11. machinery (1)
12. paths (1)
13. rivers (1)
14. roads (1)
15. rock (1)
16. rubbish (1)
17. scaffolds (1)
18. sheds (storage structures … (1)
19. sky (1)
20. valleys (landforms) (1)
21. Visual Works (hierarchy n … (1)
22. 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. ca. 1936 - 1937 (1)