National Register of Historic Places
Keystone Building
Harrisburg, Dauphin County, Pennsylvania
The record
- Listed
- September 7, 1979
- Type
- Building
- Address
- 18-22 S. 3rd St, Harrisburg
- County
- Dauphin
- State
- Pennsylvania
- Period of significance
- 1875 to 1899
- Contributing resources
- 1 building
- Coordinates
- 40.26026, -76.87988
- Reference number
- 79002217