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At this time Sage Creek dues not anticipate "twinning" any of the drillholes. ?awever, if "twinning" <br />ofany drillhole becomes necessary, Sage Creek will not "twin" any drillhole until an application far <br />??-? an amen m n " ? ? . <br />d e t to the NCI for `tw?nn?ng is submitted to and approved by the CDRIVi ?n accordance <br />with Rules 2.?2.2?2}?g? and 3.?.?. <br />Leo h sical Lu in : ?n completion ofdrilling and core recovery, geophysical logging will be <br />completed for each drillhole to obtain additional geologic information. A truck?rnounted geophysical <br />lagging unit wi11 be used to obtain, correlate, and stare lagging infarmatian which may include <br />density, gamma, caliper, ncutran, focused electric, sank, verticality, temperature, and conductivity. <br />Sage Creep will retain in its files all drill and gcaphysical logs for at least one year, and will make <br />them available far inspection by an authorized Division representative. <br />?x loratian Maintenance Activities - Qther than initial road maintenance to establish good access, it <br />is anticipated that access road maintenance requirements will be naini?nal, since the majority ofthe <br />exploration efforts will occur during the dry surnrner months. ether maintenance requirements will <br />include general housekeeping in active exploration areas and regular inspection and maintenance has <br />necessary} of drainage structures. <br />Monitorin or water; S?pnly VL?ell„hum-pletivn ? At this time gage Creek dons oat anticipate <br />converting any exploration hales to monitor wells. If Sage Creek decides to convert an ex loratian <br />p <br />hole to a rr?onitar well authorization will be obtained firon? the appropriate regulatory authority?s} in <br />compliance with applicable provisions of 4?CFR 3484.1 ?a}and 37-92-642, C.R.Q. Yn addition, the <br />Colorado Division of water Resources will be notified in accordance with Rule 5.2.31 ?2 CCR 442- <br />?} prior to converting the drill hole to a monitor well, <br />,rl? Monitor wells will be constructed in accordance with the water well Construction Rules ?2 CCR <br />? , <br />?? 442-??, ?n general, monitor well construction will involve placement of steel surface casing, casing <br />the open drill hole with solid steel pipe X4.188-inch minimum wall thickness},placing perforated-slot <br />screen and 8112 silica sand or apre-packed, stainless steel ar PAC well screen in the desired <br />completion interval, establishing bentanitic plugs above and below the screened interval and grouting <br />the yell ann?zlus to prohibit vertical migration and crass-contaxninatian afaquifers. Folluv?ring <br />construction, the monitor well will be developed by successively flushing and pumping the well bare <br />to remove drilling fluids, drill cutting and other materials introduced into the borehole during the <br />drilling process. Figure 2, ?ypr'ca? ?Ioni?ori?g ?Ye?? C'or??p?e?ion, illustrates typical completion <br />methods. <br />If applicable, a well completion report Farm CrwS-31 will be submitted to CDwR in accordance <br />with Rule 14.2.6 ?? CCR 402-?}within ?? days ofcompletin the well. once the well i no longer <br />needed, it will be plugged and sealed in accordance with the appropriate rules and regulations Rule <br />I6, 2 CCR 442?2?. ?f Sage Creek permits the gage Creek project as an underground mine under <br />Regulations ufthe Mined Land Reclamation board for Coal Mining, ail relevant well permit and <br />completion forms will be included as part afthe permit application package. <br />Pro aced Reclamation Methods: The proposed exploration program is designed to minimize new <br />surface disturbance by utilizing existing roads and trails to the extent passible, placing drill pads <br />adjacent to existing roads, utilizing previously disturbed areas for drill pads, and limiting pad size. <br />Surface disturbance, and reclamation requirements and costs calculated by Sage Creek are <br />summarized on Table , ?D09 Exp?ora?ror? Pr?gra? ?ec?am?tror? Cast Es?ir?a?e, <br />Upon approval ufthe NCI, Sage Creek gill fie a corporate surety with the Land Mined Reclamation <br />l?aard to ensure that the reclamation obligations are fulfilled. IfCDRM? completes an independent <br />Safe ?'r?ck Prn?ect ? ?Of?4 NOf <br />?41D?IQ? ?