| Reference | {Deposit:: CRIB MINERAL RESOURCES FILE, RECORD NUMBER K001511.}{Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORT MARCH 1, 1973.}{Deposit:: OPERATION INCLUDES A PERMANENT MILL WHICH PRODUCES SAND AND}{Deposit:: SANDSTONE IS MINED FROM PENNSYLVANIA ROCKCASTLE CONGLOMERATE}{Deposit:: MSHA UPDATE 1978}{Deposit:: RCF & CMS LISTS 10/81.}{Deposit:: NOT ON 1980 OR 1981 MSHA LISTS; ASSUME PAST PRODUCER.}{Deposit:: # ASSOCIATED WITH MILL, SEQ. NO. 0470359006.} |