00993cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111050002100130051001600151100003800167245014800205260004800353300004500401490008200446500001700528500005100545650003000596810005200626810006100678gs 16000637 DLC20260227111320.0790620s1916    oncbf        f000 0 eng    ags 16000637   a(OCoLC)5085744  aDLCcTxCMdDLC00aQH1b.C13 no. 23  aQE191b.J751 aJohnston, William, Alfred,d1874-14aThe Trent Valley outlet of Lake Algonquin and the deformation of the Algonquin waterplane in Lake Simcoe district, Ontario.cBy W. A. Johnston.  aOttawa,bGovernment printing bureau,c1916.  a1 p. l., 27 p. incl. III pl.bfold. map.1 aCanada. Geological Survey. Museum bulletinvno. 23. Geological series, no. 32  aCover-title.  aAt head of title: Canada. Department of mines. 0aGeologyzOntariozOttawa.2 aNational Museum of Canada.tBulletin ;vno. 23.2 aNational Museum of Canada.tGeological series ;vno. 32.