Reference | {Deposit:: HERON, S.D.JR., ROBINSON, G.C., AND JOHNSON, H.S.JR., 1965 CLAY AND OPALBEARING CLAYSTONES OF THE SOUTH CAROLINA COASTAL PLAIN, B31, DIV OF GEOL., ST. DEV.BD}{Deposit:: Heron, S.D.Jr., Robinson, G.C., And Johnson, H.S.Jr., 1965, Clay And Opalbearing Claystones Of The South Carolina Coastal Plain: South Carolina State Development Board, Division Of Geology, Bulletin 31Heron, S.D.Jr., Robinson, G.C., And Johnson, H.S.Jr., 1965, Clay And Opalbearing Claystones Of The South Carolina Coastal Plain: South Carolina State Development Board, Division Of Geology, Bulletin 31}{Deposit:: Field Obs Scgs} |