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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />II <br />I <br /> <br />Page 6a <br /> <br />The volume of ground-water storage in the Camp Creek alluvium was <br />estimated in a previous investigation by Nelson, Haley, Patterson and Quirk <br />of Greeley. In their 1967 report entitled "Ground Water Resources of North- <br />west Washington County, Colorado," a figure of 600,000 1cre-feet of ground- <br />water storage in the alluvium is given. No info~ation is provided on how <br />the figure was obtained. The 185,000 acre-foot figure in the present report <br />was obtained by p1animetering the saturated thickness map prepared for the <br />Camp Creek alluvium (Figure 2, Appendix A) with conservative estimRtes of <br />the amount of saturated alluvium to the southeast of the area under study <br />(see page 7, Appendix A). We believe the 185,000 acre-foot estimate to be <br />conservative, with the actual volume probably somewhat higher but not as <br />large as 600,000. At this stage of development it seems wise to stay on <br />the conservative side. <br /> <br />The estimates of average annual recharge made by NHPQ and the present <br /> <br /> <br />study are comparable (8000 anJ 7500 acre-feet, respectively). <br /> <br />- 6a - <br /> <br />M. W. BITTINGER AND ASSOCIATES, INC. <br />