National Register of Historic Places
Allegheny River Lock and Dam No. 9
Widnoon, Armstrong County, Pennsylvania
The record
- Listed
- April 21, 2000
- Type
- Structure
- Address
- Terminus of PA 1004, 0.2 mi. N of T488, Widnoon
- County
- Armstrong
- State
- Pennsylvania
- Period of significance
- 1900 to 1949
- Contributing resources
- 4 buildings, 3 structures
- Coordinates
- 40.95387, -79.54685
- Reference number
- 00000403
David Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesUSGS Historical Topographic Map CollectionUSGS Historical Topographic Map CollectionDavid Rumsey Map Collection, Stanford Libraries