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45 <br /> 1 places where there's coal in Colorado, it's been 1 dangerous work when, you know, the roof could cave. <br /> 2 mined for quite a few years. ( 2 A lot of problems can happen for the miners at that <br /> 3 Underground mining at the Roadside 3 point. <br /> 4 Portals in particular started in 1974 by GEX 4 So what they'll do is they'll leave <br /> 5 Colorado. GEX applied for a DIMS permit in February 5 sane of the pillars, or random pillars, in place to <br /> 6 of 1981 once Colorado became a state that had 6 help with that stability of the roof for safety and <br /> 7 primacy. On December 31, 1985, the Powderhorn Coal 7 structural integrity. <br /> 8 Company purchased the site framm GEX. 8 So when they get done with that area, <br /> 9 There's a little lag here between my 9 they'll have these mined-out areas, and they'll seal <br /> 10 pressing the button and the slides advancing. 10 them off from the rest of the workings. Just a <br /> 11 The DR -- the Division issued a 11 quick, you know, 60-second primer on roan-and-pillar <br /> 12 permit for the site on January 3, 1983. In April of 12 mining. They have whole books on that if you're <br /> 13 2002 -- on April 17 Permit C-1981-041, the Roadside 13 really interested in it. <br /> 14 Portals permit, was transferred to the Snowcap Coal 14 UNIDENTIFIED SPEAKER: Somebody like <br /> 15 Carpany. 15 me. <br /> 16 The mining at the site was 16 MR. STARK: All right. So to <br /> 17 underground, and it was roarand-pillar mining, and 17 continue on a little bit of history on the site and <br /> 18 mon-and-pillar mining is designed to allow for 18 why we're here. On an inspection of June 11 of 2014 <br /> 19 controlled subsidence. 119 the Division observed water flawing in a newly dug <br /> 20 So this (indicated) is a map j2o ditch, the Fontanari Ditch. And that water was <br /> 21 that's -- shows the workings at the site. So the 21 disappearing into a subsurface hole at the corner of <br /> 22 portal areas was basically right here (indicated). 22 that ditch -- at the edge of that ditch. <br /> 23 So there were two entries. Man and equipment would I23 So water from this ditch Was later <br /> 24 go in one entry; coal would cane out the other I24 suspected of entering Roadside's south portal <br /> 25 entry. So there were two entries at the site. 25 underground workings from this hole — from a <br /> 45 47 <br /> 1 You can see some of the stuff we 1 subsurface hole. It was estimated that up to 54 <br /> 2 discussed earlier. This area here (indicated) is 2 million gallons of water entered the mine workings <br /> 3 the Fontanari Tract 71, Fontanari Tract 70, the 3 and partially saturated that backfill material. <br /> 4 Carey Pond, the Fontanari Ditch. 4 After performing an investigation of <br /> 5 All of this -- the stuff that isn't 5 the hydrologic cammumications, Snowcap determined <br /> 6 really nice, sharp lines, this (indicated) is all 6 that the water was entering the mine through an old <br /> 7 historic mining from a couple of the historic mines 7 vent shaft. <br /> 8 in the area. That was -- this stuff (indicated) was 8 So, again, why are we here? TR-69 is <br /> 9 not -- this pointer is dying. 9 actually the result of several other permitting <br /> 10 This stuff (indicated) was not mined i10 actions that I'll discuss briefly. The first one is <br /> 11 by Roadside. All of the Roadside stuff is the -- 11 this -- it was a commitment that was made in partial <br /> 12 are the workings that are very clear, kind of very 12 Phase I, II, and III Bond Release Number SL-08. <br /> 13 sharp lines. 13 This coanitment is Attachment 16 to <br /> 14 So we go to the actual map without 14 that bond release findings document that's kind of <br /> 15 the -- without the picture showing, and this 15 the last in that 80- or 90-page document. And kind <br /> 16 (indicated) shows kind of what roarrand--pillar 16 of the major parts of the commitment: Snowcap <br /> 17 mining is. They create these entries and crosscuts, 17 cammits to investigating the hydrologic <br /> 18 which are called roans, and they leave these blocks 18 communication between the surface and the Roadside <br /> 19 of coal in place, which are called pillars; roan and 19 workings; Snowcap commits to preparing a plan for <br /> 20 pillar. 20 repair of the hydrologic communication; and Snowcap <br /> 21 They'll develop an area, and when 21 omni.ts to developing a plan for reclaiming any <br /> 22 they get to the end of that area, they'll do what's 22 surface lands disturbed during the repair of the <br /> 23 called retreat mining. They will go in and remove 23 hydrologic communication. <br /> 24 these pillars to maximize coal recovery. So they'll 24 There were a few other commitments <br /> 25 back out, removing these pillars. Extremely 25 based on timing that the company pretty much, we <br /> 46 48 <br />