REMOVE

1. rubbish
2. rock
3. bushes
4. roads
5. hills

WHAT

1. Visual works (hierarchy n … (2)
2. farms (2)
3. figures (2)
4. figures, abstract (2)
5. hands (2)

More 

WHERE

1. Pullman, Washington (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1935 (2)