"Collection of Bluefield Coal Show materials."; "Bluefield Coal Show (1979 : Bluefield, W. Va.)"; "Coal mines and mining--Congresses."; "1979-2019"; "

Collection.

"; ""; "P13710"; "pec"; "Coal mines and mining--Congresses.", "Bluefield Coal Show (1979 : Bluefield, W. Va.)"; "14255"; .