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McRAE & SHORT, I~. <br />• .~~. •- <br />1227 - 8th Avenue <br />Telephone (303) 356-3101 IIIIIIIIIIIII III RECElNED <br />III 999 _ <br />Engineering, Surveying, Planning & Land Developmen <br />1 March 1. 1980 ~ <br />ef'Z 7'G 77~2~ d~?,r] ~M Project 79007, <br />~~- <br />~_Mr. Hal D. Simpson <br />Division of Water Resources ~G~C ~~~~^~O/ CY,,.r,f~~-~~~, <br />1313 Sherman Street Room 818 l U `y~ ~ ~Ul /~ ~.y~6-yJ G~ ' <br />Denver, CO, 80203 /T <br />Re: La Poudre Sand & Gravel - Limited Impact Mining Permit <br />Dear Mr. Simpson <br />In response to your letter of February 11, 1980 to the Mined Land Reclamation <br />Division, we wish to revise and supplement our report and plan on this gravel <br />pit as follows: <br />1) The water consumed at the site will be minimum. Domestic water is being <br />furnished by North Weld County Water District. Water used for washing gravel <br />will be sparodic and can be purchased and hauled to the site when required. <br />The same is true of water for dust control, or other dust prevenative measures <br />can be applied. <br />2) The discharge from "dewatering" will be pumped to the old river channel <br />where it will return directly to the river or percolate back into the ground. <br />Discharge permits will be obtained. Spreading water on the adjoining natural <br />grass pasture was for spread percolation and not intended to be beneficial use. <br />3) Discussions with the Soil Conservation Service indicate that about 60% of <br />the pasture grasses on the site obtain their water from the high ground water <br />table and that these grasses have an annual consumption rate of about 26.7 <br />inches of water. The net water loss would be the difference between this high <br />consumptive use rate and the evaporation rate from the small pond created.(6± Acres) <br />We feel that this will have a very limited impact on the water basin resources. <br />We would appreciate your prompt review and response to the Mined Land Reclamation <br />Division as we meet with them on March 5, 1980. If yo~~J~v1Y'Lv~~aZyy questions, ~ce~ <br />please let us know. ,~`~°°~RP~GISrT~.p;~F"%,~ ~J~~" ~ ~ ~ ~Z .. ~ i~~ <br />Respectfully, <br />/Mc RCae~~&~Sho~r/to, INC. <br />Gerald B. McRae, PE-LS Colo #6616 <br />k3 6616 ~-- <br />N~ '~ ~C~ <br />~~~~~i~..~F C n I.C~ ~ :" <br />y ~~l'. C~ I ~ u- <br />~e <br />., -Zb'I . a i l <br />~ 2 ~~ p.f <br />