REMOVE

1. railroads
2. sky
3. barriers
4. construction sites
5. townscapes (representations)
6. rock
7. automobiles

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. bushes (1)
4. coats (garments) (1)
5. columns (architectural el … (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1971 (1)