REMOVE

1. automobiles
2. cardigans
3. backdrops
4. plants
5. children
6. rugs (textiles)
7. buildings (structures)

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. branches (plant component … (1)
4. bushes (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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