REMOVE

1. sky
2. fences
3. farming
4. rock
5. farms
6. combines

WHAT

1. cliffs (1)
2. coastlines (1)
3. exterior views (1)
4. houses (1)
5. landscapes (representatio … (1)
6. mountains (1)
7. oceans (1)
8. silver gelatin (1)
9. townscapes (representatio … (1)
10. utility poles (1)
11. Visual Works (hierarchy n … (1)

WHERE

1. California (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. 1920 (1)
2. 1945 (1)
3. between circa 1929 and ci … (1)