REMOVE

1. flags
2. trees
3. farming

WHAT

1. Visual works (hierarchy n … (2)
2. brown (2)
3. farms (2)
4. figures (2)
5. night (2)

More 

WHERE

1. Pullman, Washington (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1934 (2)
2. 1935 (2)
3. between 1934 and 1935 (2)