REMOVE

1. hills
2. roads
3. telephone poles
4. boats

WHAT

1. construction equipment (1)
2. construction sites (1)
3. fences (site elements) (1)
4. figures (representations) (1)
5. Grand Coulee Dam (dam) (1)
6. landscapes (representatio … (1)
7. oil paint (paint) (1)
8. rivers (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)