REMOVE

1. rock
2. trees
3. rivers
4. national parks

WHAT

1. bridges (built works) (1)
2. buildings (structures) (1)
3. civil wars (1)
4. color film (film) (1)
5. exterior views (1)
6. portraits (1)
7. railroads (1)
8. streets (1)
9. Visual Works (hierarchy n … (1)
10. woods (plant communities) (1)

WHERE

1. Harpers Ferry, West Virgi … (1)

WHO

1. Still, Patricia (1)

WHEN

1. 1973 (1)
2. 1973 September 13 (1)