"Collection of West Virginia Coal Mining Institute miscellaneous conference announcements and programs . "; "West Virginia Coal Mining Institute."; "Coal trade--United States--Congresses.", "Coal--West Virginia--Congresses."; "West Virginia Coal Mining Institute."; "1911-1926"; "

Collection. Includes: invitation to attend the winter meeting (1911); announcement and program of the 9th semi-annual meeting (1912); program for the 12th semi-annual meeting (1913); and invitation to attend the 1926 meeting.

"; ""; "P16266"; "pec"; "Coal--West Virginia--Congresses.", "Coal trade--United States--Congresses."; "14255"; .