00873cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001800092040001900110042001200129050002300141100002600164245007300190260006700263300005800330410004700388500002900435504002800464650004700492650004300539650003700582gs 64000053 DLC20260227111413.0720302s1963    xx            000 0 eng    ags 64000053   a(OCoLC)254634  aDLCcOAkUdDLC  apremarc00aQE185b.A43 no. 951 aHarker, Peter,d1920-10aCarboniferous and Permian rocks, southwestern District of Mackenzie.  a[Ottawa]bDept. of Mines and Technical Surveys, Canadac[1963]  aix, 91 p.billus., fold. col. map (in pocket) tables.20aGeological Survey of Canada.tBulletinv95  aAbstract also in French.  aBibliography: p. 26-27. 0aGeologyzNorthwest TerritorieszMackenzie. 0aGeology, StratigraphicyCarboniferous. 0aGeology, StratigraphicyPermian.