REMOVE

1. black-and-white film
2. roads
3. rivers
4. barriers
5. 1937

WHAT

1. Visual Works (hierarchy n … (1)
2. barns (1)
3. branches (plant component … (1)
4. buildings (structures) (1)

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WHERE

1. Westminster, Maryland (1)

WHEN

1. 1961 (1)
2. after 1961 (1)