REMOVE

1. rivers
2. civil wars
3. rock

WHAT

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