REMOVE

1. trucks
2. rooftops
3. towers (building divisions)
4. black-and-white film
5. atmospheric perspective

WHAT

1. Visual Works (hierarchy n … (1)
2. barns (1)
3. buildings (structures) (1)

More 

WHERE

1. New Windsor, Maryland (1)

WHEN

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