Reference | {Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORT MAY 18, 1972.}{Deposit:: SAND IS USED BY THE GLASS INDUSTRY.}{Deposit:: PROPERTY IS OPERATED BY PENNSYLVANIA GLASS SAND CORPORATION.}{Deposit:: 1981 MSHA LIST.}{Deposit:: RCF LIST 10/81.}{Deposit:: # ASSOCIATED WITH MINE, SEQ. NO. 0450630010.} |