REMOVE

1. hills
2. bushes
3. barns
4. houses
5. rooftops
6. roads
7. landscapes (representations)

WHAT

1. Visual Works (hierarchy n … (1)
2. atmospheric perspective (1)
3. black-and-white film (1)
4. buildings (structures) (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1967 (1)
2. ca. 1967 (1)