"Geology from Morgantown to Cascade, West Virginia, along State Route Number 7."; "Tilton, John Littlefield, b. 1863."; "Geology--West Virginia--Monongalia County.", "Geology, Stratigraphic."; "Tilton, John Littlefield, b. 1863."; "1928"; "Journal article reprint from: Proceedings of the West Virginia Academy of Science, v.2 (1928)."; ""; "P1194"; "pec"; "Geology--West Virginia--Monongalia County.", "Geology, Stratigraphic."; "14256"; .