| Reference | {Deposit:: AULT CURTIS H. AND CARR DONALD D., 1975, INDIANA GEOLOGICAL}{Deposit:: PAGE 20.}{Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORTS FEBRUARY 1-3, 1972}{Deposit:: JANUARY 29, 1975 AND MAY 5, 1975.}{Deposit:: OPERATION INCLUDES BOTH SURFACE MINING AND UNDERGROUND MININ}{Deposit:: MSHA INSPECTION REPORT 4-22-81.}{Deposit:: RCF AND CMS LISTS 10/81} |