REMOVE

1. plants
2. barns
3. geometric patterns
4. artists (visual artists)
5. license plates

WHAT

1. Visual Works (hierarchy n … (1)
2. automobiles (1)
3. banks (landforms) (1)

More 

WHERE

1. Westminster, Maryland (1)

WHEN

1. 1965 (1)
2. 1966 (1)
3. ca. 1965 - 1966 (1)