Cambria is a populated place in

Harford County Harford County is located in the U.S. state of Maryland. As of the 2020 census, the population was 260,924. Its county seat is Bel Air. Harford County is included in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area, which is al ...

, Maryland, northwest of Whiteford. Many

slate Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. It is the finest grained foliated metamorphic rock. ...

quarries A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some jurisdictions to reduce their environ ...

were in operation to the southeast of Cambria in the 1800s. The region was known as the Peach Bottom Slate area.Maryland Geological Survey Volume Two, by W. B. Clark, 1898. Johns Hopkins University Press. File:Whiteford Quarry Fig 1 Plate XXIV WBClark 1898.jpg, Whiteford Quarry, Cambria, c. 1898 File:York and Peachbottom QuarryFig 2 Plate XXXII WBClark 1898.jpg, York and Peachbottom Quarry, Cambria, c. 1898 File:York and Peachbottom Quarry Fig 1 Plate XXXII WBClark 1898.jpg, York and Peachbottom Quarry, Cambria, c. 1898 File:Proctor Brothers' Quarry Fig 1 Plate XXXI WBClark 1898.jpg, Proctor Brothers' Quarry, Cambria, c. 1898 File:Peachbottom-Excelsior-Peerless Quarry Fig 2 Plate XXXI WBClark 1898.jpg, Peachbottom-Excelsior-Peerless Quarry, Cambria, c. 1898

References

{{authority control Unincorporated communities in Harford County, Maryland Unincorporated communities in Maryland Welsh-American culture in Maryland