"The Upper Freeport Coal Bed along Laurel Ridge in Preston County of West Virginia."; "Stevenson, John J. (John James), 1841-1924."; "Coal mines and mining--West Virginia--Preston County.", "Coal--West Virginia--Preston County."; "Stevenson, John J. (John James), 1841-1924."; "1881"; "

Journal article tearout from: Proceedings of the American Philosophical Society, v.19:no.108 (1881:Jan./June).

"; ""; "P28"; "pec"; "Coal--West Virginia--Preston County.", "Coal mines and mining--West Virginia--Preston County."; "14256"; .