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1200 <br />1000 <br />800 <br />.L' <br />m <br />°/ 600 <br />A <br />t <br />O <br />400 <br />200 <br />0 <br />~aa lac lac ~c PQc PQc PQc ~a~ ~a~ ~a~ ~a~ ~a~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ <br />Date <br /> 2003 <br /> 2004 <br /> <br />- - -Average <br />Daily i <br />I <br />~~ ~• <br />~ - + <br />~ <br />~ ~ <br />. ~ <br /> <br />i ~ ~ <br />i <br />Figure 11. Hydrograph for Elkhead Creek during the 2003 and 2004 sampling seasons <br />based on data from USGS Gage 9246400, Maynard Gulch. Sample dates are marked as <br />solid data point on each line. Average daily flow are taken from the period of record from <br />1995-2004. <br />Daily fish capture versus average daily discharge during 2003 and 2004 escapment sampling <br />40 <br />35 <br />30 <br />m 25 <br />a <br />a <br />~ 20 <br />Z 15 <br />10 <br />5 <br />0 <br />0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 <br />Discharge (cfs) <br />• Fish Linear (Fish) <br />Figure 12. Number offish captured versus average daily discharge for 2003 and 2004 <br />escapement sampling. <br />• y = 0.0299x + 3.0918 <br />• • RZ = 0.3209 <br />• • <br />• <br />FINAL REPORT -Elkhead Reservoir Escapement, Project No.: 118 Page 13 <br />Miller Ecological Consultants, Inc. May 20, 2005 <br />