National Register of Historic Places
Olsen House
Helena, Lewis and Clark County, Montana
The record
- Listed
- March 22, 1991
- Type
- Building
- Address
- 516 N. Park, Helena
- County
- Lewis and Clark
- State
- Montana
- Period of significance
- 1875 to 1924
- Contributing resources
- 1 building
- Coordinates
- 46.59245, -112.04047
- Reference number
- 91000333
Slide toward Today to fade the historical sheet and see the modern map underneath.
USGS Historical Topographic Map CollectionUSGS Historical Topographic Map CollectionUSGS Historical Topographic Map CollectionUSGS Historical Topographic Map CollectionUSGS Historical Topographic Map Collection