Former Montana Executive Mansion

6th Ave. and Ewing St., Helena, Montana. County/parish: Lewis and Clark.

Added to the National Register of Historic Places April 28, 1970. NRIS 70000357.

2 contributing buildings.

Also known as:

  • Chessman,William,Mansion
  • Governor`s Old Mansion

National Park Service documentation: https://catalog.archives.gov/id/71976123

LC