00914cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001800092040001900110042001200129050002300141100003300164245014300197260005000340300004300390410004700433500006900480504002800549650003300577700003300610999001700643gs 58000064 DLC20260227111406.0720222s1957    xx            000 0 eng    ags 58000064   a(OCoLC)245721  aDLCcOAkUdDLC  apremarc00aQE185b.A43 no. 401 aHacquébard, Piet Albertus.12aA Carboniferous spore assemblage,bin coal from the South Nahanni River area, Northwest Territories,cby P.A. Hacquébard and M.S. Barss.  aOttawa,bE. Cloutier, Queen's printer,c1957.  a63 p.b6 plates, maps, diagrs., table.20aGeological Survey of Canada.tBulletinv40  aAt head of title: Canada.  Dept. of Mines and Technical Surveys.  aBibliography: p. 49-50. 0aCoalzNorthwest Territories.1 aBarss, M. S.,ejoint author.  c29218d29218