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Lorencito Canvon Notice of Intent Amendment <br />TABLE GW-10 <br />LORENCITO CANYON MINE <br />AQUIFER TEST DATA <br />Well <br />No. <br />Aquifer <br />aquifer <br />Thickness <br />T <br />{e dlftl <br />S <br />(g dlft) <br />K <br />(! dlfr l" <br />K <br />f €tldav) <br />I <br />Vermejo-Raton <br />125,0 <br />41.1 <br />D.0028 <br />0.33 <br />D.044 <br />2 <br />Vermejo-Raton <br />238.5 <br />212.0 <br />0.1470 <br />0.888 <br />0.119 <br />3 <br />Vermejo-Raton <br />1657 <br />4.11 <br />0.0028 <br />0.025 <br />0.0034 <br />4 <br />Trinidad <br />50.0 <br />5.46 <br />0.0039 <br />0,109 <br />0.088 <br />6 <br />Vermejo-Raton <br />198.E <br />41.613 <br />D.2890 <br />0.200 <br />0.028 <br />7 <br />Vermejo-Rzion <br />162.0 <br />27.96 <br />0.0194 <br />0.171, <br />0.023 <br />9 <br />Vermejo-Raton <br />1 220 ' <br />1 35.3 <br />D.0020 <br />1 0.16 <br />0.021 <br />11 <br />Raton <br />187,5 <br />0.143 <br />0.00010 <br />0,0008 <br />1 0.000107 <br />14 <br />Raton <br />236,8 <br />* <br />** <br />12polfr' = 0. 134 ftlday dean = O.C408 <br />* Test not complete <br />(From Howard, 1982) axn'` = 0.0419 <br />T = Transmissivity <br />S = Storativity <br />1; = 14vdraulic Conductivity <br />Reference: Lorencito Permit C-1996-084, Section 2.04.9 and Exhibit 7 <br />NECC has had conversations with Evergreen Natural Resources to ensure the core drilling program <br />will not affect their production. The proposed core drilling is not deep enough to disturbthe gas wells <br />near the proposed drill locations. Also, each gas well near the drilling locations hascasing up to the <br />surface. <br />5b-6) Precise description of how drill holes will be sealed and plugged in accordance with Rule <br />4.07; and <br />Abandoned drill holes will be plugged and capped below ground level, with a continuous concrete <br />plug from the bottom of the hole to the 1 ft below grade unless drill holes are to be re- entered to <br />deepen or used for geotechnical testing or downhole surveys. Those holes will be marked with a 4 ft <br />long by 5/8 rebar pin at the top of the plug. A 1 '/2 inch diameter aluminum cap will be attached to <br />each pin that will identify it for location and surveying purposes. Holes that will be left open for use <br />as monitoring wells will be constructed per Rule 14 of the 2 CCR 402-2 Water Well Construction <br />Rules. <br />5b-7) Whether holes will be developed as water wells and, if so, the well permit issued by the <br />Colorado Division of Water Resources. <br />12 <br />2020 Exploration Program 2/11/2021 <br />