Historical Marker
Captain Grant Marsh
Historical marker location:
Hardin, Montana
( Marker is on Grant Marsh Loop (Road 147) near State Highway 47.)
The town of Philipsburg, Montana, is known for its sapphire mining, with some of the best sapphires in the world being found in the surrounding mountains. Visitors can go gemstone hunting and visit the local sapphire museum to learn about the history of mining in the area.