REMOVE

1. hills
2. soil
3. trees
4. workers
5. trucks

WHAT

1. Visual works (hierarchy n … (2)
2. figures (2)
3. graphite pencils (2)
4. hats (2)
5. studies (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1925 (2)
2. 1935 (2)
3. circa 1925–35 (2)