REMOVE

1. hills
2. roads
3. boats
4. 1936

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. telephone poles (1)
10. Visual works (hierarchy n … (1)

WHERE

1. Nespelem, Washington (1)

WHO

1. Still, Clyfford (1)

WHEN

1. Regionalist (American Sce … (1)