REMOVE

1. machinery
2. clouds
3. rivers
4. mountains
5. utility poles
6. trees
7. barriers

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. automobiles (1)
4. bushes (1)
5. color film (film) (1)

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WHERE

1. Newport, Rhode Island (1)

WHEN

1. 1968 (1)