REMOVE

1. highways
2. autumn
3. trees

WHAT

1. Visual Works (hierarchy n … (1)
2. clouds (1)
3. color film (film) (1)
4. exterior views (1)

More 

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)

Less

WHO

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

WHEN

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