01736oam 2200517 450 991070370150332120150618134113.0(CKB)5470000002434711(OCoLC)881832788(OCoLC)651837445(EXLCZ)99547000000243471120140626d1896 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierThe Cambrian rocks of Pennsylvania /by Charles Doolittle WalcottWashington, D.C. :Department of the Interior, United States Geological Survey,1896.Washington :Government Printing Office.1 online resource (43 pages, XV pages of plates) illustrations, mapBulletin of the United States Geological Survey ;no. 134Title from title screen (viewed June 24, 2014).Includes bibliographical references and index.GeologyPennsylvaniaGeology, StratigraphicCambrianCambrian Geologic PeriodfastGeologyfastGeology, StratigraphicfastPennsylvaniafastGeologyGeology, StratigraphicCambrian Geologic Period.Geology.Geology, Stratigraphic.Walcott Charles D(Charles Doolittle),1850-1927,81009Geological Survey (U.S.),COPCOPOCLCOOCLCEOCLCFGPOBOOK9910703701503321The Cambrian rocks of Pennsylvania3475534UNINA01429nam0 22002891i 450 UON0050449520231205105429.560978-88-979924-2-420210113d2020 |0itac50 baitaIT|||| |||||ˆIl ‰Niger e le nuove frontiere dell’Europa : una ricerca su migrazioni e lavoro nell’Africa subsaharianaFabio Amato, Alessio IocchiBolognaSocialmente2020127 p.ill.21 cm.001UON005050462001 Città, lavoro, migrazioni210 BolognaSocialmente1NigerGeografia politica ed economicaUONC097637FIITBolognaUONL000085AmatoFabioUONV085949790727IocchiAlessioUONV284573790728ITSOL20251114RICASIBA - SISTEMA BIBLIOTECARIO DI ATENEOUONSIUON00504495SIBA - SISTEMA BIBLIOTECARIO DI ATENEOSI VII GEO 2.0 0964 SI 36235 5 0964 BuonoSIBA - SISTEMA BIBLIOTECARIO DI ATENEOSI2021326 1J 20210113 Niger e le nuove frontiere dell’Europa : una ricerca su migrazioni e lavoro nell’Africa subsahariana1766276UNIOR