00824cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001800092040001900110050002300129051001600152100004200168245005800210260005000268300006000318410004600378504002600424650003600450650003800486650002900524999001700553gs 53000196 DLC20260227111400.0720313s1952    xx            000 0 eng    ags 53000196   a(OCoLC)261940  aDLCcOAkUdDLC00aQE185b.A2 no. 267  aQE195b.B621 aBostock, H. S.q(Hugh Samuel),d1901-10aGeology of northwest Shakwak Valley, Yukon Territory.  aOttawa,bE. Cloutier, Queen's Printer,c1952.  av, 54 p.billus., 2 fold. col. maps (in pocket) tables.20aGeological Survey of Canada.tMemoirv267  aBibliography: p. 3-4. 0aGeologyzYukonzShakwak Valley. 0aPetrologyzYukonzShakwak Valley. 0aVolcanic ash, tuff, etc.  c28754d28754