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<br />Table 1 - Summary of general basin data <br /> <br />USGS Station <br />Number <br />06760200 <br />06756200 <br />06753800 <br /> <br />Station Name <br />Igo Creek tributary nr Keota <br />Geary Creek tributary or Rockport <br />Owl Creek tributary or Rockport <br /> <br />Drainage <br />Area (mi2) <br />1.53 <br />1.15 <br />4.22 <br /> <br />Location <br />Latitude Longitude <br />40.7900 103.9550 <br />40.9614 104.5819 <br />40.9172 104.7683 <br /> <br />Period <br />of Record <br />1969-1979 <br />1969-197.9 <br />1969-1979 <br /> <br /> <br />IDS' 107' 106' lOS' 104' <br />r- "(:'-~"fTU_"-r. ~0l~=200 r' <br />! I '\. . 06760200~ <br />I 1'~...eK o..\~~ <br />.r J \ j ~~- ., "... <br />. 00306390 L' " 'J' "k~.~._.~\ . . <br />'-..tl_._._._ \ ,...., <br />~ , ..~. ~- <br />40' 0930631 . D j 10 <br />. II 10 . L'" . , <br />L-.r-.-j- j-L. <br /> <br />. .... II ,., l L D <br /> <br /> <br />Figure 1- Location ofsitcs within the study area (source: Cochran, et aI., 1983) <br /> <br />2.1 Climate and hydrologic properties < <br /> <br />Average annual precipitation is approximatel~Mth 75 percent of this falling as r~n <br />between April and September (Crabb, 19~~ea is subject to occasional severe <br />thunderstonns in the convective season between May and mid-October. <br /> <br />Soils are generally moderately drained silt loam to well drained sandy loam. All sites exhibit <br />portions of Peetz-rock outcrop complex, mainly in the headwaters (Crabb, 1981). This particular <br />feature is most abundant, relative to drainage area, at Geary Creek tributary. The channel bed <br />material is predominantly silt loam to loam with reaches occasionally passing through the rock <br /> <br />3 <br /> <br />v <br />