REMOVE

1. rivers
2. trees
3. railroads
4. 1973

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. rock (1)
9. streets (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 September 13 (1)