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<br />allowed to litter into the ground, the proximit}' of this infiltration to the sire and other <br />factors. Iv1ap I -General Area shows the base of Spring Creek Mesa in relation to the <br />l laldonsi,n pit, as well as the other nearby sand and gravel pits. <br />1"he strike of the M:tncos Shale on the site is believed to be to the northe;tst (toward the <br />river) while the dip is hclievcd to he hctwocn 1°ju to 5'%under Spring Crock Mesa.'fhis <br />also a,incidcs with typical values seen in many other areas of the Uncompahgre, <br />Gunnison :md Colorado River callus nn the wrstcm slope ol'the State. <br />\1'arer quality is generally slightly alkaline. with pH hovering near 8.0 and dissolved <br />solids being high, which is also typical of l'ncompahgre water. <br />Tltc exact levels of the water in Ph:uc 1 during the Ixx:dc of irrigation an unknown but <br />there is overvvhclming evidence to show that the Icvcls arc low enough that mining to a <br />total depth of 13 feet should not encounter wearer at any time. 'Il»s is explained in the next <br />section. <br />_~. Et•ideru•e 1o.1/lur+• Teirrpurart' :lfirrirr,~~ 1o a Dcp11r gjLi Feel in Phase 1 <br />Sitr drilling. area investigations, research of other ncarhy pats and revicvv of State <br />records, geologic reports. etc. shows that mining to a depth of 13 feet in Phase i will not <br />expose ground w:+rer at am• time. The reasons arc listed below: <br />1) flte olx•rator drillyd 6 holes in the pcmtit area in !v1arch of 2Q03, while irrigation was <br />not active.:\Ithough the holes da not indicate what Icvcls the water may reach during <br />irrigation. they are valuable in showing the depth of gravel and striku'dip of the shale. <br />These holes arc shown on Map 2 - Silo plan. The logs are included in Appendix A. A <br />summary of the depths and logs arc included heluw: <br />Bole tl SoilJpverhurden <br />"thickness Ft Gravel <br />'fhickncss Ft Bottum of <br />I tole <br />1 T ~0' ~T Shale <br />~ ~' ~9' 31' Shale <br />3 ~' S0' SS' Gravel <br />4 2' ~8' GO' Gravel <br /> <br />