Map of Thomsonite Locations in USA
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Minnesota
Little Marais River
Latitude: 47.414371Longitude: -91.099293Potential Finds: Thomsonite, ZeolitesState: Minnesota
Potential finds: Thomsonite, Zeolites
Oregon
Columbia River shore
Latitude: 45.79934Longitude: -122.792581Potential Finds: ThomsoniteState: Oregon
Potential finds: Thomsonite