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Mr. Tom Bird C1981035 PR10 <br />Page 2 of 6 <br />9/21/2020 <br />Formation) which are located directly downgradient of the low- cover <br />crossing. Monitoring wells MW-1 Cluster and MW-5 Cluster are located <br />up- gradient near the upper reaches of East Alkali Gulch. An additional <br />monitoring well cluster (MW-6 Cluster) has also been added on GCC <br />Energy property upgradient of the Vista de Oro subdivision. A complete <br />description of regional and local ground water and the functions of the <br />various monitoring wells can be found in "C-1981-035 GCC Energy 2019 <br />Annual Hydrology Report 2019 12 26" submitted to the Division <br />12/26/2019. <br />The Division finds this response adequate. <br />3. Appendix 15 discusses the trenching of East Alkali Gulch to construct a low -cover <br />crossing, but the location of this is not provided on the hydrology maps. Please add the <br />location of this disturbance to the hydrology map in relation to its proximity to the DRMS <br />permit. It appears there will be surface disturbance associated with the trenching and <br />staging areas. Please specify if any of these disturbance areas fall within the DRMS <br />permit boundary. <br />GCC Energy's, 08/31/2020 response: Maps King II-004 and King II-012 <br />have been revised to show the location of the low -cover crossing which is <br />located on Ute Mountain Ute Tribal lands within OSMRE Permit C- <br />0106C. None of the surface disturbance areas associated with the low - <br />cover crossing fall within the existing or proposed DRMS permit <br />boundaries. <br />The Division finds this response adequate. <br />4. It is not clear if there will be any subsidence monitoring. Or if there is a plan to monitor <br />while undermining drainages. Please provide additional information on the subsidence <br />monitoring plan. <br />GCC Energy, 08 / 31 / 2020, response: Section 2.05.6 page 19, August 31, <br />2020 (PR-10 PAR), has been revised to include a discussion of <br />subsidence monitoring within the parcels added by this permit revision. <br />The Division finds this response adequate. <br />5. King II Map-001, Permit and Adjacent Areas, uploaded 612512020, (Map date 611212020) <br />is incomplete.. It appears that only a portion of this map uploaded to the Division's <br />laserfzche file. Please resubmit the entire proposed permit area map. <br />