REMOVE

1. railroads
2. trees
3. farms
4. fires (events)

WHAT

1. Visual Works (hierarchy n … (1)
2. color film (film) (1)
3. cranes (equipment) (1)

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WHERE

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

WHO

1. Still, Patricia (1)

WHEN

1. 1968 (1)
2. 1968 Summer (1)