REMOVE

1. woods (plant communities)
2. rock
3. rivers

WHAT

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

WHERE

1. Harpers Ferry, West Virgi … (1)

WHO

1. Still, Patricia (1)

WHEN

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