00829cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040001700111042001200128050002100140110002700161245005400188260004300242300007700285500006200362500003500424504003200459650001200491650004100503700003100544gs 30000213 DLC20260227111334.0761202s1930    xxcabf        000 0 eng    ags 30000213   a(OCoLC)2589929  aDLCcOTdDLC  apremarc00aTN946b.C33 19301 aCanada.bMines Branch.14aThe gypsum industry of Canada,cby L. Heber Cole.  aOttawa,bF. A. Acland, printer,c1930.  avii, 164 p.btables, diagrs. XX pl., 2 fold. maps, fold. tables.c25 cm.  aAt head of title: Canada.  Dept. of Mines.  Mines Branch.  aIn lower right corner no. 714.  aBibliographical foot-notes. 0aGypsum. 0aMines and mineral resourceszCanada.1 aCole, Lionel Heber,d1883-