00951cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040001700111050002300128051001500151100002600166245012900192260002000321300001900341490006600360500003900426504003600465650004000501650002200541700004800563810007400611gs 58000152 DLC20260227111406.0750115s1957    gau           000 0 eng    ags 58000152   a(OCoLC)1141644  aDLCcOTdDLC00aQE101b.A12 no. 66  aQE662b.A41 aAllen, Arthur Thomas.10a... Zonation of the Middle and Upper Ordovician strata in northwestern Georgia /cby Arthur T. Allen and James G. Lester ...  aAltanta,c1957.  a110 p.c23 cm.1 aGeorgia. Dept. of Mines, Mining and Geology. Bulletinvno. 66  aOne map in pocket in back of book.  a"Selected references": p. [107] 0aGeology, StratigraphicyOrdovician. 0aGeologyzGeorgia.1 aLester, James George,d1897-ejoint author.10aGeorgia.bDepartment of Mines, Mining and Geology.tBulletinvno. 66.