01341cam a22003371 4500001001300000003000400013005001700017008004100034010001700075035001900092040002500111043001200136050002300148100003300171245019400204260005400398300008000452490005000532500005100582500006300633650002400696650002800720650002200748651002400770700005500794700002500849710002900874710002900903830005400932999001700986gs 17000292 DLC20260227111321.0750807s1917 mnuab 000 0 eng  ags 17000292  a(OCoLC)1521558 aDLCcOAUdOCoLCdDLC an-us-mn00aQE127b.A22 no. 131 aLeverett, Frank,d1859-1943.10aSurface formations and agricultural conditions of northeastern Minnesota,cby Frank Leverett and Frederick W. Sardeson, with a chapter on Climatic conditions of Minnesota by U. G. Purssell. aMinneapolis,bThe University of Minnesota,c1917. avi, 72 p.billus. (maps) xv pl. (incl. fold. map in pocket) diagrs.c23 cm.1 aMinnesota Geological Survey. Bulletinvno. 13 aAt head of title: The University of Minnesota. a"In cooperation with the United States Geological survey." 0aGeologyzMinnesota. 0aAgriculturezMinnesota. 0aSoilszMinnesota. 0aMinnesotaxClimate.1 aSardeson, Frederick William,d1866-ejoint author.1 aPurssell, Ulysses G.2 aUniversity of Minnesota.2 aGeological Survey (U.S.) 0aBulletin (Minnesota Geological Survey) ;vno. 13. c25768d25768