| Reference | {Deposit:: CRIB MINERAL RESOURCES FILE, RECORD NUMBER K001173.}{Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORTS AUGUST 6, 1975 AND}{Deposit:: MARCH 19, 1975.}{Deposit:: PROPERTY IS OWNED AND OPERATED BY GENERAL SHALE PRODUCTS CORP.SHALE IS MINED FROM THE ORDOVICIAN SEVIER FORMATION.} |