The Late Silurian to Early Devonian Keyser Formation is a mapped limestone bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia.
Outcrop of the Keyser Formation on U.S. Route 522 in Fulton County, Pennsylvania, north of Warfordsburg
Crinoid fragments at the Old Eldorado Quarry outcrop along I-99, Blair County, PA
Stromatoporoids at the Old Eldorado Quarry outcrop along I-99, Blair County, PA
Tabulate coral in the New Enterprise New Paris Quarry on Chestnut Ridge in Bedford County, PA. Probably Halysites.
Corriganville is an unincorporated community and census-designated place in Allegany County, Maryland, United States. As of the 2010 census it had a population of 455. Corriganville is part of the Cum
Keyser Formation
…thick. The type locality of the Jersey Shore Member is at Jersey Shore, Lycoming County, Pennsylvania. The type locality of the La Vale Member is at the Corriganville quarry, Allegany County, Maryland, and is named for the nearby town of La Vale. This nomenclature is accepted by the USGS. In Virginia and West Virginia…
Kreighbaum Road in Corriganville
A fossilized skeleton of a Smilodon californicus on display at the Smithsonian Museum of Natural History