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<br />NATURAL ENVIRONMENT SURVEY <br /> <br />Survey Date: 8/31/88 <br /> <br />., <br />.>j <br /> <br />Survey Location: <br />Survey Summary: <br />Basis for ISF: <br /> <br />Highway bridge on Zorn Road. <br />25' electrofished. Sample included: 1 rainbow trout (9"), 58 brook trout (3"-10"). . <br />rainbow and brook trout fishery .. <br /> <br />FIELD SURVEY <br /> <br />Survey Date: 1/30/89 <br /> <br />Method Used: R2X <br />Measured Flow (cfs): 0.23 <br />Survey Location: NW S4 T25S R67W 6PM <br />Notes: 20' d/s of Greenhorn Road <br /> <br />Grassline Width (ft): 5.63 <br />PHOTOS: DOW <br /> <br />WATER AVAILABILITY <br /> <br />Method: <br /> <br />The Graneros Creek # 1 hydrograph Wll3 derived as per the USGS WRI Report 85-4086 <br />(Mountain Region)_ See hydrograph below. The winter and summer instream flow <br />recommendations were both reduced to 0.25 cfs based on water the availability analysis. As per <br />the Division 2 Engineer, senior water rights do not present a water availability problem within <br />this reach of stream_ <br /> <br />OCT NOV DEC <br />0.4 0.4 0.3 <br /> <br />MEAN MONTHLY FLOWS (cfs) <br />IAN FEB MAR APR MAY JUN <br />0.3 0.3 0.7 3.2 17. 7.0 <br /> <br />JUL <br />0,6 <br /> <br />AUG SEP <br />0.3 0.3 <br /> <br />Graneros Creek u/s Little Graneros Creek <br />SYNTHlOnc HYDROGRAPH <br /> <br /> <br />4 <br /> <br />en <br />... <br />~ <br />3: 3 <br />o <br />--' <br />... <br />>- <br />:i! 2 <br />I- <br />Z <br />o <br />:::! <br />z <br />Lli <br />:::! <br /> <br />------ <br /> <br /> <br />-...---------- <br /> <br />o <br /> <br />OCT NOV DEC JAN FEB MAR APR MAY JUN <br />MONTH <br /> <br />JUL AUG SEP OCT <br /> <br />lu_gran'1.wk41 <br /> <br />I-.cwcs iSF AMOUNT I <br /> <br />., <br />.~ <br />~;~~,>~'il'~ <br />