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<br />~11 <br /> <br />~ <br />1:1) <br />C\l <br />C,J <br />c:) <br /> <br />~', <br />--.. <br /> <br />>: <br /> <br />~: <br /> <br />~ <br />f, <br />~ <br /> <br />. <br /> <br />,) <br />i <br />Iii <br /> <br />" <br /> <br /><;, <br />, <br /> <br /> <br />~to.~y ~JJ.lyses of' the ;,Yntors <br /> <br />Pc.r ~s__p_o.!_~J21. ~ i all <br /> <br />PfT!S po.::.!:'l-J}Ion <br /> <br />Tot~l solids. .. . . . .. <br />ChI orin . . . . . . 0 <br />Nitrogen ~s ni~rut8s <br />Nitrogen as nitrites. . . <br />Be..line c..mrnonin .. . . . . .. <br />Aluminoidc.l o.:m..'l7l.oain. <br />OXygOI2. consumed . .. .. ~ . .. <br /> <br />8(J[C.5900 <br />36.1420 <br />Tr~'.C0 <br />l.hooo <br />0.6250 <br />0.7130 <br />31.5000" <br /> <br />798.0000 <br />39.0000 <br />O. 1500 <br />0.0100 <br />0..3300 <br />1. 0'100 <br />lIe. 1000 <br /> <br />*Tho o~JTgon consumed was reducod to 10 p.p.m. hy troau~ont <br />with calcic hydrate. <br /> <br />Tho c.uthor of tho bullotin cennnents as follo"s: <br /> <br />"Those sQ,]nplos wore tc.kon c.t different S08.s'Jns of <br />tho yom- a.ud nO[lrly Ii.). :,"o=s o.p[lrt. I personn.ll:r took both <br />samples c,nd rcnanbcr distinctl:/ thc,t the lake was vcry 1017 <br />l.lrhcn tho f'irst of those was tn.l:on and" though I have soen <br />this lako very o.fton" I do not remember evor to hnv0 soen <br />it so high ft.s -rrhon t~.lC lust sf':J1l}Jlc was tc.kon; therofore" it <br />is probablo, that those resvlts ropresont tho extreme differ- <br />onces to bo met with in sc.rnplos of this wator. The results <br />['.1"0 remc.rknble, .for" cs I understnnd it, tho drrt:i..n ditches <br />h.nvo bo;:n tr.ilir1.g tt:oir vT::'-ctor into tho trou.gh of the vn.llo~T <br />for throo or four ~rcQrs, o.nd, .'ls stated, the countr;)' for <br />a.bout two mi.les to tho west of tho lc..ko Vins, nt the time of <br />to.Jdng the lo.st s[lmple, covorod ,.,.,i th ,-;utor. This vms the <br />Cf,se to s1]cl! c.n extent thr,t, hrtd I not beon a ccomprcniod by <br />" pors on thcrou[:roJ_J' c_ cquc.intod with tho ground, I would <br />not hrevo vGllturGd to try to appronch tho lr,ke. <br /> <br />"..till cxcminntion of tl:;,oso fU-: C'..lJTses illnlms evidont t~1c <br />fact thc.t the solids hold in solution differ mnterio.lly from <br />those of any wator so f'lr presontod. Thoy differ from tho river <br />vmtors in con~ining less silicic Qcjd, loss lime cilld mngnosia, <br />mora chlorin" c.s l'1Ulch or morc cG.rbonic acid, :~.bout tho S::'-cr1C <br />o.mourrt of sulfuric e,cid fill.ct vory much more pote.ssic cmd sodic <br />oxids. This is p':'.rtict'lQrl~~ noticoo.l)le in tho cUse of the <br />patr.ssic oxide The dif'fcrencos ~'.ro not such r.s We find in tho <br />drc,:In- or ground-w,-,ters, nor do thoy correspond to the chc.nges <br />thc,t wo might oxpect f.S duo to ovnporr.tion of tho river <br />l.i'D.tors. E~por['..tion is I'd tllOut doubt <::.n ilnportcnt factor in <br />the C['Lse. The o1Tuporo.tion .from tho If'.ko surfnco ts probc-.bly <br />not less tr:Cln 60 inches [lJ:41uD.lly ~r..d must off0ct some cJ!.o.ngos, <br />but wo find the slJlfuric r.cid r:.t the tine of low vrator loss <br />thnn in tho ri vcr -';lntcrs. The co~contrr\.tion of these vmtors is <br />vary far froIil the point r~t "thich n.ny s1..l1f~tes 'Vrould scpClro..te <br />duo to :this CQUso. The tot".l solids in tho lc.ko wator r.r10unt <br />to a.pproxima.toly 8 or 12 times c.s much o.s ',e find in the river <br />water. Tho poto.ssic oxid is from 4 to 6 th1BS [\S high i.n tho <br />residue fr<fln tho lo.ko-Tic,tor as in that from tho ri vor-wccter." <br /> <br />21 <br /> <br /> <br /> <br />