00868cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035001900092040004000111050001700151100003000168245007200198260009400270300004600364440002000410500006900430500007600499504003600575650002700611gs 39000357 DLC20260227111345.0780817s1939 pauab b s000 0 eng c ags 39000357  a(OCoLC)4149281 aU.S. Geol. Survey. LibrarycPUdDLC00aQE158.S8bW51 aWillard, Bradford,d1894-10aGuide to the geology from Dauphin to Sunbury,cby Bradford Willard. aHarrisburg, Pa.,bDepartment of internal affairs, Topographic and geologic survey,c1939. a24 p.billus., tables, fold. map.c23 cm. 0aBulletin G,v13 aAt head of title: Pennsylvania Geological survey, Fourth series. aOn cover: Commonwealth of Pennsylvania. Department of internal affairs. a"List of references": p. 18-19. 0aGeologyzPennsylvania.