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how much displacement the lattice tower structures could withstand, before any of the structures were <br /> undermined. <br /> January 10 and January 20, 1997 PCC submittal of responses to DMG adequacy letters of July 30, <br /> September 8, and November I. Substantive responses to various groundwater hydrology issues were not <br /> included, pending completion of a planned study to better define the hydrologic characteristics of the <br /> Rollins Sandstone within the permit area. <br /> February 6, 1997 DMG letters to DOW and USFWS concerning operator responses to wildlife mitigation <br /> and T&E plant survey concerns identified in previous adequacy letters. <br /> April 9, 1997 PCC letter to Erica Crosby of DMG regarding Roadside South Portal area reclamation <br /> material balance projections(enclosed a computer disk with existing and proposed final contours). <br /> April 25, 1997 DMG letter from Erica Crosby acknowledging operator's letter of April 9,and concluding <br /> that information provided demonstrates a material volume balance. <br /> April 29, 1997 DMG letter based on review of January 10 and January 20 adequacy response submittals. <br /> A March 14, 1997 letter from DOW was enclosed. <br /> June 4, 1997 PCC letter to Lary Routten of DMG expressing concerns with specific remaining adequacy <br /> issues identified in DMG's April 29 letter. <br /> June 6, 1997 DMG response to June 4, 1997 PCC letter. <br /> July 23, 1997 PCC responses to DMG review letters of April 28 and June 6, 1997. Issues not <br /> substantively or completely addressed included questions regarding Rollins Sandstone hydrologic <br /> characteristics (study report not finalized), submittal of final air emission permits (not yet received), <br /> updated mule deer winter range map (not received from DOW), statement from owners of powerline <br /> potentially affected by subsidence(statements requested but not received), and update of mine plan map <br /> (long range mine planning not finalized due to recent ownership change). <br /> September 19, 1997 PCC responses to outstanding hydrology issues identified in DMG review letter of <br /> July 30, 1997. Submittal included the report"Hydrologic Characterization of the Rollins Sandstone". <br /> The Office of Surface Mining's Applicant Violator System (AVS) was queried on July 8, 1996 to verify <br /> compliance with Rule 2.03.4, and an "issue' recommendation was received. On July 15, 1997, Powderhom <br /> submitted a Transfer Application changing the operator and permittee from Powderhom Coal Company, a <br /> Colorado Corporation to Powderhom Coal Company,a Delaware Corporation. The system recommendation <br /> of July 28, 1997 resulted in a "Deny" recommendation due to an unpaid civil penaly in the state of West <br /> Virginia. <br /> System checks on September 16, October 27, and November 18, resulted in "Conditional Issue" <br /> recommendations due to six Kentucky civil penalty violations associated with Permit No. 8670201, and three <br /> Virginia CMIS violations associated with Permit No. 2850. All nine violations are currently covered under <br /> 10 <br />