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•• <br />department 0 T N A E S <br />i DIVISION OF WA.ERT------------- <br />It' <br />2 I £87 ii <br />PROJECT <br />AT/jmxM Lono Lk. <br />> « Ki <br />Henneoin 87-115 <br />r^urtposc: suwvct <br />Type; uevcls <br />investigation X <br />MOHW / OHW <br />maintenance <br />reconnaissance <br />hydrographic work report <br />rc t TH8 R23i in Metropolitan <br />Long Lk. 1s j" 2j9*i“”s^nian1metere(i and’soi acres meandered. It <br />5J “as*2n“"ti^soil, Sid”(?n theVsw of Sec. 3S); southwesterly ..a Long Lk. <br />Creek. <br />On 6/26/87 the S“'^«7.^r®^.‘5‘^o5talJed°el^ the^outlet, downstream toinvestigation of the lake and control for the survey was from <br />the *“j’’S9ton.|Jor«.rn^R.R^r.Aejj^ . ,;z.508. NGVO 1929. <br />Following are the elevations we found at the outlet: <br />>At 6’ X S' concrete box culvert thru old Hwy. 12" <br />Water surface* Long Lk. <br />(no outflow) <br />KSSf (?r"po1nt on rocks across upstream <br />. *"‘*.?!lt'at''reiMlns of possible old support for <br />^®the alleged metal plate across upstream end <br />Upst4am*ln»«« of culvert <br />K“orr.i«rl1h. of oPStream headw.ll <br />?r^ri«3"o2;si^e..h.adwall <br />Downstream Invert <br />Downstrcwn flownne <br />Flowllne at end of apron <br />End of apron <br />-At 4* X 6' concrete box culvert thru new Hwy. 12 <br />Stain on upstream wingwall <br />Stain on upstream <br />Top centerline upstream he^all <br />943.24 <br />943.48 <br />944.0 <br />943.9 <br />943.29 <br />949.21 <br />951.15 <br />952.3 <br />950.82 <br />942.89 <br />943.0 <br />942.9 <br />942.69 <br />7/13/87 John <br />943.9 <br />944.7 <br />950.08 <br />C/XlC SurVgv <br />T I T «• E <br />0 A r C <br />s I G R C Q