http://pec.lib.wvu.edu/record/P98161965-1985Summary of reports.Serial. Printed Ephemera Collection has: 1965:July-1965:Dec., 1966:Mar.-1966:Apr., 1966:June-1966:Dec., 1967:Mar., 1967:May, 1967:June-1967:Dec., 1968:Apr.-1968:Aug., 1968:Oct.-1969:Apr., 1969:July-1969:Sept., 1969:Dec.-1972:July, 1973:Feb.-1973:May, 1973:Aug.-1973:Sept., 1973:Dec.-1976:Sept., 1976:Nov.-1977:May, 1979:Mar.-1979:Aug., 1979:Oct., 1979:Nov.-1980:May, 1980:July-1980:Oct., 1982:Jan.-1982:Feb., 1982:May, 1984:Apr., 1984:July, 1984:Dec., 1985:Jan.-1985:Apr. West Virginia. Department of Mines.Coal mines and mining--West Virginia--Statistics--Periodicals.14256