REMOVE

1. houses
2. farms
3. red
4. dogs (animals)

WHAT

1. exterior views (1)
2. landscapes (representatio … (1)
3. plants (1)
4. reflections (perceived pr … (1)
5. silver gelatin (1)
6. sky (1)
7. trees (1)
8. water (1)

Less

WHERE

1. Alberta, Canada (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)