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<br />C.H. and Richard Coulson <br />March 18, 1991 <br />Page 2 <br />Please provide documentation for historic consumptive use credits. <br />X An instantaneous release to the river from the depletions at the pit will be assumed for <br />this year, but documentation of the depletion lag time will be required in following <br />years. <br />X Other <br />o Please provide infrnmatinn on the total volumes of product removed. Water <br />removed with product is calculated al 4 percent. <br />o Please clocumenl the acres under irrigation fnr each of your scenarios that will <br />be dried-up (Tables I-4) li.e., 50.7 acres, 80 acres, 108 acres or 140 acres). <br />o Please explain why monthly consumptive use (UMON) was used instead of net <br />monthly irrigation requirement (XIRM) for estimating historic consumptive use <br />credits for augmentation purposes. <br />Please send the information requested shove to Wright Water Engineers, 2490 West 26th <br />Avenue, Suite IOOA, Dem~er, Colorado 8021 I. The review of the 56120 submittal will be <br />completed after receipt of the information requested. <br />Sincerely, <br />WRIGHI WATER ENGINEERS, Inc. <br />B <br />Leu M, Eisel, P.E. <br />By od <br />ca • D itt <br />LME/GD\V:ard <br />cc:Jint Halt, State Engineer's OFlice <br />(FORIvI. LTR) 901-U61i.040 <br />