REMOVE

1. horizon line
2. sky
3. soil
4. bushes
5. 1964

WHAT

1. Visual Works (hierarchy n … (1)
2. clouds (1)
3. color film (film) (1)
4. fields (land) (1)

More 

WHERE

1. Westminster, Maryland (1)

WHO

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

WHEN

1. circa 1964 July (1)