REMOVE

1. hills
2. clouds
3. trees
4. highways

WHAT

1. autumn (1)
2. color film (film) (1)
3. exterior views (1)
4. horses (animals) (1)
5. landscapes (representatio … (1)
6. portraits (1)
7. roads (1)
8. Visual Works (hierarchy n … (1)
9. water (1)

WHERE

1. 1445 Old Westminster Road … (1)
2. Carroll County, Maryland (1)
3. Sam's Creek Road, Carroll … (1)
4. Stone Chapel Road, Carrol … (1)

More 

WHO

1. Still, Clyfford (1)
2. Still, Patricia (1)

WHEN

1. 1972 (1)
2. circa 1972 November (1)