REMOVE

1. trains (vehicle groupings)
2. railroads
3. 1968 Summer
4. 1968

WHAT

1. Visual Works (hierarchy n … (1)
2. color film (film) (1)
3. cranes (equipment) (1)
4. farms (1)
5. fires (events) (1)

More 

WHERE

1. Carroll County, Maryland (1)
2. New Windsor, Maryland (1)

WHO

1. Still, Patricia (1)