| Reference | {Deposit:: PENNSYLVANIAN CLAY IN GASCONADE SINKHOLE}{Deposit:: MGS NB.598, P.85 TAIR 1918}{Deposit:: MGS NB.696, P.79 MCQUEEN}{Deposit:: MGS NB.801, P.24 MATHER 1944}{Deposit:: MGS RI-2, P.187 MATHER 1946}{Deposit:: MGS H.M.WHARTON MAPS}{Deposit:: ASCS PHOTO BLT-3-44 9-20-38 1:20000 - 1/8 AC.}{Deposit:: ASCS PHOTO BLT-3GG-123 9-23-66 1:20000} |