01359cam a22003371  4500001001300000003000400013005001700017008004100034010001700075035001900092040004300111043001200154050002200166051001600188082002000204100005100224245005500275260002000330300002600350490010700376500014300483500009200626504002500718650004000743650002300783650002800806650003000834650002500864810006300889810006900952gs 52000236 DLC20260227111359.0770315s1952    miua         s000 0 eng c  ags 52000236   a(OCoLC)2805580  aU.S. Geol. Survey Libr.cMiRochOUdDLC  an-us-mi00aQE125b.A4 no. 39  aQE662b.H78  a551.72a551.7311 aHussey, Russell C.q(Russell Claudius),d1888-14aThe Middle and Upper Ordovician rocks of Michigan.  aLansing,c1952.  a89 p.billus.c23 cm.1 aMichigan. Dept. of Conservation.  Geological Survey Division.  Publication 46.  Geological series,v39  a"A completion of a report written by Professor Hussey and published as a part of Geological Survey Publication 40, Geological series, 34."  a"Published as a part of the Biennial report of the Geological Survey Division in 1952."  aBibliography: p. 67. 0aGeology, StratigraphicyOrdovician. 0aGeologyzMichigan. 0aPaleontologyzMichigan. 0aPaleontologyyOrdovician. 0aPetrologyzMichigan.1 aMichigan.bGeological Survey Division.tPublication ;v46.1 aMichigan.bGeological Survey Division.tGeological series ;v39.