REMOVE

1. hats
2. automobiles
3. girls
4. stools (seating furniture)
5. buildings (structures)
6. houses

WHAT

1. Visual Works (hierarchy n … (1)
2. branches (plant component … (1)
3. bushes (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1966 (1)
2. after 1966 (1)