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<br />9121/98 - Final RSR <br /> <br />NATURAL ENVIRONMENT SURVEY <br /> <br />SUIVey Date: S/4nS <br /> <br />SUIVey Location: <br />. SUIVey Summary: <br />Basis for ISF: <br /> <br />above confluence with East Fork. <br />400 ft electrofished. Sample included: 4 brook trout (7" - S") and 5 brown trout (7" - S <br />brook and brown trout fIShery <br /> <br />FIELD SURVEY <br /> <br />SUIVeyDate: 10/4/94 <br /> <br />Method Used: R2X I <br />Measured Flow (cfs): 3.69 <br />SUIVey Location: 150 yds uls of Powder horn Creek. <br />Notes: Water high from recent rain. <br /> <br />Grassline Width (ft): 6.4 <br />PHOTOS: 4 <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br />Remarks: <br /> <br />e <br /> <br />Ui <br />u. <br />~ 4 <br />~ <br />o <br />...J <br />U. 3 <br />>- <br />...J <br />J: <br />l- <br />ts 2 <br />:;; <br />z <br />LS 1 <br />:;; <br /> <br />The Middle Fork Powderhorn Creek hydrograph was derived as per USGS WRI Report 85-4086. <br />See attached hydrograph. As per the Division 4 Engineer, senior water rights do not present a <br />water availability problem within this reach of stream. . <br /> <br />OCT NOV DEC <br />4.3 3.0 2.2 <br /> <br />MEAN MONTHLY FLOWS (cfs) <br />IAN FEB MAR APR MAY JUN <br />1.9 I.S 2.0 4.9 26. 66. <br /> <br />AUG SEP <br />9.0 5.4 <br /> <br />JUL <br />22. <br /> <br />Middle Fk Powderhorn Creek <br />SYfIlTHETIC HYDROGRAPH <br /> <br />5 <br /> <br /> <br /> <br />-- ------------ <br /> <br />---------- <br /> <br />o <br /> <br />OCT NOV DEC <br /> <br />JAN <br /> <br />FEB MAR APR MAY JUN <br />MONTH <br /> <br />JUL AUG SEP OCT <br /> <br />1m powder.Wk41 <br /> <br />e <br /> <br />- CWCS (SF AMOUfIlT <br /> <br />C:IMARK\NEW _ RECS\DIV _ 4\l997\wp197 _A_Reo _sum _ rptdoc <br />