http://pec.lib.wvu.edu/record/P97761954/1955-1975Mountaineer postmaster.Serial. Printed Ephemera Collection has: 1954:Dec./1955:Jan.-1958:Sept., 1964:Apr.-1965:Feb., 1965:July-1971:Oct., 1972:Feb.-1973:Feb., 1973:June-1975:Dec. Frequency varies. Frequent numerical designation inconsistencies. <br />National Association of Postmasters of the United States. West Virginia Chapter.National Association of Postmasters of the United States. West Virginia Chapter--Periodicals.14256