| Reference | {Deposit:: MESA INSPECTORS}{Deposit:: OPERATION INCLUDES A MILL AND PRODUCES SILICA SAND.}{Deposit:: # ASSOCIATED WITH PLANT, SEQ. NO. 0240239003.}{Deposit:: # POR IS TOWN OF MC HENRY, MD.}{Deposit:: MSHA LISTS 1/30/78 AND 5/18/81.}{Deposit:: RCF LIST 10/81} |