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5, 000, 000 <br />y = 8493.7x - 6E+06 <br />RZ = 0.9961 <br />4 <br />500 <br />000 <br />, <br />, <br />4 <br />000 <br />000 N. Fork South Platte R. <br />, <br />, <br /> below Geneva Canyon at <br /> Grant (1950 - 1998) <br />3,500,000 <br />w <br />w <br />w <br />w <br />3 <br />000 <br />000 <br />, <br />, <br />Q <br />~ N. Fork South Platte R. <br />o <br />J at Grant (1998 - 2002) <br />w <br />500 <br />000 <br />Q 2 <br />, <br />, <br />w <br /> <br />w <br />2 <br />000 <br />000 <br />, <br />, <br />g <br /> <br />1 <br />500 <br />000 <br />, <br />, <br />1 <br />000 <br />000 <br />, <br />, <br />500,000 <br />0 <br /> <br />O M (O O N l() 00 V I~ O M M O N In W <br />l() l() l() l() (O (O (O I~ r r W W W W O O O O <br />O O O O O O O O O O O O O O O O O O <br />~ ~ ~ ~ ~ ~ ~ N <br />Figure 5: Cumulative Streamflow for Combined North Fork South Platte River Gages <br />Plum Creek <br />In 1990, the Plum Creek near Louviers (06709500) stream gage was discontinued. The Plum <br />Creek at Titan Road near Louviers (06709530) gage, which is located approximately 2.2 miles <br />downstream of the original gage, provides data starting in 1984. The near Louviers gage data <br />were utilized from 1950 through 1983, and the at Titan Road near Louviers gage data were used <br />for the remainder of the study period. <br />Together, the two Louviers gages provide historical data for the entire SPDSS study period. <br />There are no major diversions or tributary inflows between the old and new gage location and <br />approximately 4% difference in contributing drainage area to each gage location, according the <br />USGS. Therefore, the two gages were combined without any further adjustment. <br />Task2.doc 18 of 30 <br />