00746cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040004600111042001200157050001700169110003800186245008000224260001900304300004900323500004000372504003000412650001400442700003100456999001700487gs 08000076 DLC20260227111307.0790215s1907    xx            000 0 eng c  ags 08000076   a(OCoLC)4659066  aU.S. Geol. Survey. Libr.cOCldOCoLCdDLC  apremarc00aTN845b.C4151 aCanada.bMines Branch (1901-1936)00aGraphite,bits properties, occurrence, refining and uses,cby Fritz Cirkel.  aOttawa,c1907.  a11, 307 p.billus., 21 pl., 10 maps.c26 cm.  aPart of illustrative matter folded.  aBibliography: p. 287-289. 0aGraphite.1 aCirkel, Fritz,d1863-1914.  c24710d24710