| Reference | {Deposit:: CARPENTER, III, P ALBERT, 1976, NC DEPT OF NAT AND ECON}{Deposit:: RESOURCES BULL 86, P. 92.}{Deposit:: CONLEY, JAMES F, 1962, NC DEPT OF CONS & DEVEL BULL 76, P 25}{Deposit:: BRYSON, HERMAN J, 1936, NC DEPT OF CONS & DEVEL BULL 38, P.}{Deposit:: PARDEE, J T & PARK, JR., C F, 1948, USGS PROF PAPER 213, P.} |