01006cam a22002411 4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111050001700130100004800147245010600195260002500301300004600326410007200372500020800444504002800652650002300680650003300703650002800736gs 42000012 DLC20260227111347.0760612s1941 xx 000 0 eng  ags 42000012  a(OCoLC)2224346 aDLCcTxEUdDLC00aQE817.O8bC61 aCooper, Chalmer L.q(Chalmer Lewis),d1898-10aChester ostracodes of Illinois,cby Chalmer L. Cooper. printed by authority of the state of Illinois. aUrbana, Ill.,c1941. a101 [1] p.bincl. 14 pl., tables.c25 cm.20aIllinois State Geological SurveytReport of investigations,vno. 77 aAt head of title: State of Illinois, Dwight H. Green, governor. Dept. of registration and education, Frank G. Thompson, director. Division of the State geological survey, M. M. Leighton, chief, Urbana... a"References": p. 65-66. 0aOstracoda, Fossil. 0aPaleontologyyCarboniferous. 0aPaleontologyzIllinois.