REMOVE

1. rock
2. soil
3. trees
4. 1920

WHAT

1. automobiles (1)
2. beaches (1)
3. bridges (built works) (1)
4. buildings (structures) (1)
5. coastlines (1)
6. color film (film) (1)
7. Lincoln Continental autom … (1)
8. oceans (1)
9. roads (1)
10. Visual Works (hierarchy n … (1)

WHERE

1. Newport, Rhode Island (1)

WHO

1. Still, Clyfford (1)
2. Still, Patricia (1)

WHEN

1. 1968 (1)
2. 1968 June 3-6 (1)