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a•'res or I'arger which were not completely within publicly owned lance nr <br />the se• +•n . ourty inotropolitan area. The basic data unit was the government <br />lot (le-s than 40-acre parcel adjoining a lake). <br />Re•ords of the Division of haters and the Division of Fish and Wildlife <br />sot>}l_ied technical and hiologic::l inform•:tion to supplement the Lakeshore Study. <br />These records contained such data as water levels, locations of spawning beds. <br />lake hottom contours, nedian lake depths, hater quality, fish counts and loco <br />tions of control strorct,rres :':her sours_-s consulted for additional infoi7:1;ttion <br />included the .'1•trop,lita11 1.-Av Inver.'roly prvliared by the Division of Fish and <br />1;'il:ll ife. 1I.S. C,�ol-: ,.-al Survey topo.gr:rphic mars, :rir photos, U.S. Forest <br />Service %laps, Iron ruiq;- Rusourc.s and 11chahilitation Commi,;sioa land ownership <br />naps and Depart,., ;:t f H i ph-xay.: general ounty h i ;;h;+ay maps. Field surti•e . were <br />in those :asos informnition was on a late or stroa.. <br />•.ithin DNR or :.)ther agenzy files. <br />"r'itical Values <br />Critical ",:-Jtvff" ;;glues for the clas.ification cr.•eria were determined by <br />statistical 'u:alysis. Some of the criteria did not lend iselves to statis- <br />i.:al ;:n;lly.,i ;u,:h as soils inFiri.;ation or ecological type. They rcy.:ired <br />ubjective c... il,ration. <br />Devnlopmertt J,.,nsit` cutoff:- were determined by a frequency distribution which <br />t:d, in >r.ler, th• - a:errgc development density values for lakes. This list was <br />-n,n plotted ano ,h_ frequency curve arialv-zeJ for natural breaks. By comparing <br />z%a:.e breaks t,itL �-xisting development patterns, the following limits for the <br />three lake cl;tsses were determined: <br />-DER%i L CITNWT W'NS 1 1�_ <br />CLA.CCIFICAT1t1N pe-1 nuCCi <br />Natural Environment less than <br />Rt_-creai ioual Nvelopment 3 - 25 <br />Ce:teral !1-° -r;nprnent I;reater than 2S <br />