REMOVE

1. barriers
2. scaffolds
3. utility poles
4. railroads
5. rivers
6. 1936

WHAT

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

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

1. 1966 (1)
2. after 1966 (1)