The Granite Quarries Historical Marker
· The Maryland Granite Co., and The Guilford Granite and Stone Co., operated the Guilford quarry as well as the Waltersville Quarry loed in the town of Granite in Baltimore County. This joint stock company operated quarries for more than 35 years until declaring bankruptcy in 1925. [picture of Guilford quarry] The Guilford quarry today, on the north side of Guilford Road, rests in silence as ...