00944cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040002000111042001200131050002200143100003300165245007700198260005400275300006600329410006800395500008800463504003200551650001900583650001900602650004000621999001700661gs 45000079 DLC20260227111351.0760206s1945    oncab    b   f000 0 eng    ags 45000079   a(OCoLC)1972021  aDLCcNcBoAdDLC  apremarc00aQE185b.A43 no. 21 aAmbrose, John Willis,d1904-08a... The magnetometer as an aid in geological mapping,cby J. W. Ambrose.  aOttawa,bE. Cloutier, printer to the King,c1945.  a2 p. l., 21 p.billus. (incl. map, profiles, diagrs.)c25 cm.20aGeological Survey of Canada.tGeological Survey bulletinvno. 2  aAt head of title: Canada.  Dept. of mines and resources.  Mines and geology branch.  aBibliographical foot-notes. 0aMagnetometers. 0aGeologyvMaps. 0aGeologyzQuébec (Province)vMaps.  c28042d28042