Massachusetts Highway Department Bridge Boring Allen St. bridge over Assabet River, NBRO005B.tif, Northborough, Worcester, Massachusetts, geotechnical, boring goes into bedrock, Marlborough Quadrangle
Summary
Massachusetts Highway Department Bridge Boring Allen St. bridge over Assabet River, NBRO005B.tif, Northborough, Worcester, Massachusetts, geotechnical, boring goes into bedrock, Marlborough Quadrangle