| Reference | {Deposit:: A. R. BICKER, JR., 1970. ECONOMIC MINERALS OF MISSISSIPPI; MISSISSIPPI GEOLOGICAL SURVEY BULL. 112}{Deposit:: SIMS, J. D., 1972: PETROGRAPHIC EVIDENCE FOR A VOLCANIC ORIGIN OF PART OF THE PORTERS CREEK CLAY, JACKSON PURCHASE REGION, WESTERN KENTUCKY, U.S. GEOLOGICAL SURVEY PROF. PAPER 800-C, P. C39-C51}{Deposit:: Knox, S.C., Mccarley, K., 1997, Mississippi Department Of Environmental Quality, Office Of Geology, Surface Mining Permits, Open-File Report 65.Knox, S.C., Mccarley, K., 1997, Mississippi Department Of Environmental Quality, Office Of Geology, Surface Mining Permits, Open-File Report 65.}{Deposit:: Sims, J. D., 1972, Petrographic Evidence For A Volcanic Origin Of Part Of The Porters Creek Clay, Jackson Purchase Region, Western Kentucky, U.S. Geological Survey Professional Paper 800-C, P. C39-C5.Sims, J. D., 1972, Petrographic Evidence For A Volcanic Origin Of Part Of The Porters Creek Clay, Jackson Purchase Region, Western Kentucky, U.S. Geological Survey Professional Paper 800-C, P. C39-C5.}{Deposit:: Bicker, A.R., Jr., 1970, Economic Minerals Of Mississippi: Mississippi Geological Survey Bulletin 112, 80 P.Bicker, A.R., Jr., 1970, Economic Minerals Of Mississippi: Mississippi Geological Survey Bulletin 112, 80 P.} |