01007cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040004200111042001200153050002200165082001200187100003500199245005100234260002800285300005600313490004700369500014400416502006100560504003200621650003600653650002300689999001700712gs 43000055 DLC20260227111349.0770804s1942    vauabf   b   s001 0 eng c  ags 43000055   a(OCoLC)3159894  aU.S. Geol. survey.  LibrarycLNUdDLC  apremarc00aQE173b.A2 no. 57  a551.7811 aGildersleeve, Benjamin,d1907-10aEocene of Virginia,cby Benjamin Gildersleeve.  aUniversity, Va.,c1942.  axi, 43 p.billus. (incl. map) 6 pl. on 3 l.c23 cm.0 aVirginia.  Geological survey.  Bulletin 57  aAt head of title: Commonwealth of Virginia.  Virginia conservation commission.  Virginia Geological survey.  Arthur Bevan, state geologist.  aIssued also as thesis (Ph. D.) Johns Hopkins university.  aBibliographical foot-notes. 0aGeology, StratigraphicyEocene. 0aGeologyzVirginia.  c27898d27898