REMOVE

1. trees
2. buildings (structures)
3. clouds
4. plants
5. Still, Clyfford

WHAT

1. Visual Works (hierarchy n … (1)
2. color film (film) (1)
3. farms (1)

More 

WHERE

1. Westminster, Maryland (1)

WHO

1. Clyfford Still; Still, Cl … (1)

WHEN

1. 1971 (1)
2. 1971 August 1 (1)