National Register of Historic Places
Porter Flats Apartments
Helena, Lewis and Clark County, Montana
The record
- Listed
- January 14, 1993
- Type
- Building
- Address
- 335 N. Ewing St., Helena
- County
- Lewis and Clark
- State
- Montana
- Period of significance
- 1875 to 1949
- Contributing resources
- 2 buildings
- Coordinates
- 46.58755, -112.03463
- Reference number
- 92001761
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