00952cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035001900092040004800111041001300159042001200172043001200184050002300196100004400219245008900263260006700352300003700419410004700456500003600503504002800539650002600567650002700593650002500620999001700645gs 62000011 DLC20260227111411.0770502s1961    oncaf    b   f000 0 eng c  ags 62000011   a(OCoLC)2934248  aU.S. Geol. Survey. Libr.cInMuBdInMuBdDLC0 aengbfre  apremarc  an-cn---00aQE185b.A43 no. 761 aMcGregor, D. C.q(Duncan Colin),d1929-10aSpores with proximal radial pattern from the Devonian of Canada,cby D. C. McGregor.  a[Ottawa]bDept. of Mines and Technical Surveys, Canadac[1961]  aix, 11 p.bplate, table.c25 cm.20aGeological Survey of Canada.tBulletinv76  aAbstract in English and French.  aBibliography: p. 10-11. 0aPlant spores, Fossil. 0aPaleobotanyyDevonian. 0aPaleobotanyzCanada.  c29592d29592