REMOVE

1. trees
2. clouds
3. black-and-white film
4. barriers
5. atmospheric perspective

WHAT

1. banks (landforms) (1)
2. bridges (built works) (1)
3. buildings (structures) (1)
4. construction equipment (1)
5. construction sites (1)
6. cranes (equipment) (1)
7. fences (1)
8. Grand Coulee Dam (dam) (1)
9. hills (1)
10. houses (1)
11. landscapes (representatio … (1)
12. machinery (1)
13. mountains (1)
14. paths (1)
15. railroads (1)
16. rivers (1)
17. roads (1)
18. rock (1)
19. scaffolds (1)
20. sheds (storage structures … (1)
21. sky (1)
22. towers (single built work … (1)
23. townscapes (representatio … (1)
24. utility poles (1)
25. valleys (landforms) (1)
26. Visual Works (hierarchy n … (1)
27. 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)