REMOVE

1. plants
2. barns
3. Visual Works (hierarchy name …
4. wrist watches

WHAT

1. artists (visual artists) (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)