REMOVE

1. fields (land)
2. sky
3. farms
4. landscapes (representations)
5. 1971

WHAT

1. Visual Works (hierarchy n … (1)
2. buildings (structures) (1)
3. clouds (1)
4. color film (film) (1)

More 

WHERE

1. Westminster, Maryland (1)

WHO

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

WHEN

1. 1971 August 1 (1)