01043cam a22002651a 4500001001300000003000400013005001700017008004100034010001700075035001900092040004900111042001200160043001200172050002300184100004300207245010100250260005100351300005300402490008200455504004100537650004400578650004600622650005500668830005400723gs 27000138 DLC20260227111331.0760927s1926    mnua     b   s001 0 eng c  ags 27000138   a(OCoLC)2466150  aU.S. Geol. Survey. Library.cTxEUdMnHidDLC  apremarc  an-us-mn00aQE127b.A22 no. 211 aGrout, Frank F.q(Frank Fitch),d1880-14aThe geology and magnetite deposits of northern St. Louis County, Minnesota /cby Frank F. Grout.  aMinneapolis :bUniversity of Minnesota,c1926.  ax, 220 p., 12 leaves of plates :bill. ;c23 cm.1 aBulletin / the University of Minnesota, Minnesota Geological Survey ;vno. 21  aIncludes bibliographical references. 0aGeologyzMinnesotazSaint Louis County. 0aMagnetitezMinnesotazSaint Louis County. 0aIron oresxGeologyzMinnesotazSaint Louis County. 0aBulletin (Minnesota Geological Survey) ;vno. 21.