| Reference | {Deposit:: CRIB MINERAL RESOURCES FILE, RECORD NUMBER K001555.}{Deposit:: PROPERTY IS OWNED BY SEWANEE SILICA COMPANY.}{Deposit:: OPERATION PRODUCES GLASS SAND AND SILICA FLOUR.}{Deposit:: MSHA UPDATE 1978}{Deposit:: SANDSTONE IS QUARRIED FROM THE PENNSYLVANIAN SEWANEE CONGLOM}{Deposit:: RCF LIST 10/81.}{Deposit:: NOT ON 1980 OR 1981 MSHA LISTS; ASSUME PAST PRODUCER.} |