REMOVE

1. oil paint (paint)
2. hills
3. construction equipment
4. boats

WHAT

1. construction sites (1)
2. fences (site elements) (1)
3. figures (representations) (1)
4. Grand Coulee Dam (dam) (1)
5. landscapes (representatio … (1)
6. rivers (1)
7. roads (1)
8. telephone poles (1)
9. Visual works (hierarchy n … (1)

WHERE

1. Nespelem, Washington (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1936 (1)
2. Regionalist (American Sce … (1)