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<br />~ ~~ ~~,~ ~ ,111\I•;l) 1~:1~1) I{f•:(;1,,1;11:1~1~1c)\ <br />.~~~~ \ <br />'*-~~lCZ{.+ c23 Centennial Bu~ld~ng. t3t35ne~man 5t~eet <br />.~ r <br />~ 1 ~~-~'~' Denver. Colorado BD2D3 lel. (3D3) B35-3567 <br />~~~ David C. Shelton <br />Director <br />To: MiY.e Sava ge ~%~~~~t>4~~ <br /> <br />From: <br />Robert <br />Liddle { <br />`~ " Y <br />Re: Trinidad Basin P .R_R. <br />Date: N.ay 5, 1981 , <br />Geolooica] Description (?.04.6) <br />1. The applicant references a map of locations of core samples and crab <br />samples that was submitted in a previous application. The specific <br />information required under 2.04.6 must be included in the application, <br />not refezenced. TBM must supply, as part of the application, a map r.•hich <br />clearly identifies the location of all drill holes used to construct <br />cross-sections, to supply samples of overburden, and holes which correspond <br />to lighologic logs presented in the application. The elevations of all <br />drill holes should also be indicated on a map. <br />2. Geologic cross-sections presented in drawing IV-1, 2, 3 are insuf- <br />/ ~cient to satisfy the"reouirements of 2.04.6(I)(a). The cross-sections <br />!~iust identify the depth and thickness of all coal seams including the <br />thickness and location of any coal or rider seams above the seam to be <br />mined, The cross-section must also identify each stratum in the over- <br />burden down to the stratum immediately below the lowest coal seam to be <br />mined. The drawing must also locate all aquifers in the overburden. <br />The drawing should be at a sufficient scale to allow the Division to <br />make accurate measurements of the stratum. The drawing should also <br />identify which drill holes were used to construct the cross-sections <br />and the accompanying litho]ogie logs should be provided. <br />3. The applicant must provide a discussion of the physical properties <br />of each stratum within the overburden. The discussion should include <br />intorJration on swell and texture. This information is needed to assess <br />compactibility, erodibility, and overall swell_ <br />4. The chemical analysis of the overburden does not clearly correspond <br />Lo locations on the oeologie map and lithologic logs. This information <br />should be organized so that it is clear where the analysis came from <br />(location on a map) and c)ear as to which strata ..•as sampled (corres- <br />ponding lithologic log). <br />S_ The overburden parameters analyzed ire incorrplete_ The ~pplicont <br />rust ana]uze for the comy)ete list of parameters. A copy of the reouired <br />