00844cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040002400111050001600135082001100151100004800162245009700210260008900307300005100396410006600447650002600513651003200539700004300571gs 42000209 DLC20260227111348.0770315s1942    pauabf       s000 0 eng    ags 42000209   a(OCoLC)2803221  aDLCcOTdOCoLCdDLC00aQE157b.C55  a557.481 aCleaves, Arthur B.q(Arthur Bailey),d1905-10aGuidebook to the geology of the Pennsylvania turnpike,cby A. B. Cleaves and Geo. H. Ashley.  aHarrisburg, Pa.,bDept. of Internal Affairs, Topographic and Geologic Survey,c1942.  aiv, 37 p.billus. (incl. maps) plates.c23 cm.10aPennsylvania.bGeologic survey (4th, 1919- ).tBulletinvG 20 0aGeologyzPennsylvania 0aPennsylvania Turnpike (Pa.)1 aAshley, Geo. H.q(George Hall),d1866-