REMOVE

1. streets
2. sky
3. porches
4. trees
5. stairs
6. after 1966

WHAT

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

More 

WHERE

1. Westminster, Maryland (1)

WHEN

1. 1975 (1)
2. 1979 (1)
3. between 1975 - 1979 (1)