Description
Along the Blackstone River 4 mi SSE of Grafton; Town of Northbridge.
History
Northbridge is the geological type locality for the Northbridge Granite Gneiss of Lower Palezoic age.
Worcester County · Massachusetts
Along the Blackstone River 4 mi SSE of Grafton; Town of Northbridge.
Northbridge is the geological type locality for the Northbridge Granite Gneiss of Lower Palezoic age.