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<br />. 00l{}fl\\ <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />PART n. STREAMFLOW RECORDS <br /> <br />Hartman Draw at Cortez <br /> <br /> <br />The gage is located 0.1 mile upstream from the confluence with McElmo <br /> <br /> <br />Creek, about one mile southwest of Cortez. The drainage area encompasses <br /> <br /> <br />34 square miles. Records are available for the period of April 1978 through <br /> <br /> <br />1984. The accuracy of streamflow records is considered to be "good" by the <br /> <br /> <br />USGS, except for the winter months which are "poor." "Good" indicates that <br /> <br /> <br />the error in the daily records is believed to be less than ten percent and "poor" <br /> <br /> <br />indicates that the error is probably greater than 15 percent. Most of the flow <br /> <br />of Hartman Draw is contributed by return flows from irrigated lands of the <br /> <br /> <br />Montezuma Irrigation District, with water imported from the Dolores River <br /> <br /> <br />basin. <br /> <br />McElmo Creek above Alkali Canyon <br /> <br /> <br />The gage is located about four miles southwest of Cortez, with a drainage <br /> <br /> <br />area of 147 square miles. Records are available for the period of April 1978 <br /> <br /> <br />through 1984. Records are considered to be good except for winter months, <br /> <br /> <br />which are considered to be poor. Almost all of the flow at the gaging station <br /> <br /> <br />is contributed by return flows from irrigated lands of the Montezuma Irrigation <br /> <br /> <br />District, with water imported from the Dolores River basin. <br /> <br />Mud Creek at HiRhway 3Z near Cortez <br /> <br /> <br />The gage is located one mile upstream from the confluence with the <br /> <br /> <br />McElmo Creek, about 4.5 miles southwest of Cortez. The drainage is about <br /> <br /> <br />34 square miles, much of which is irrigated as part of the Montezuma Irrigation <br /> <br /> <br />District with water imported from the Dolores River basin. Most of the flow <br /> <br /> <br />of Mud Creek is contributed by irrigation return flows. Records are considered <br /> <br /> <br />to be good. The period of record is October 1978 through 1984. <br /> <br />-3- <br /> <br />J.... .. <br />'.."' <br />