"The Elk Garden and Upper Potomac coal-fields of West Virginia."; "Weeks, Joseph D., 1840-1896."; "Coal--West Virginia.", "Coal mines and mining--West Virginia."; "Weeks, Joseph D., 1840-1896."; "1894"; "

Pamphlet. \"A paper read before the American Institute of Mining Engineers, Virginia Beach Meeting, 1894.\"

"; ""; "P480"; "pec"; "Coal--West Virginia.", "Coal mines and mining--West Virginia."; "14256"; .