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r <br /> Transit Mix Concrete Co. <br /> RESPONSE TO COMMENTS <br /> Hitch Rack Ranch Quarry, M-2016-010 <br /> DRMS COMMENTS — AMY ESCHBERGER <br /> APPLICATION FORM: <br /> 1) Comment: On page 1 of the application form the applicant is identified as"Transit Mix <br /> Concrete Company". However,the company name is registered with the Colorado <br /> Secretary of State as"Transit Mix Concrete Co."This is also how the applicant wrote the <br /> company name on the revised page 8—Certification. Please revise page one to write your <br /> company name exactly how it is registered with the State. <br /> Response: The application form has been updated using the name registered with <br /> the Colorado Secretary of State. <br /> 2) Comment: A zip code was not included with the three contact addresses provided on <br /> page three of the application form. Please submit a revised page 3 with the appropriate <br /> zip code included for each address given. <br /> Response: The application form has been updated to include zip codes. <br /> EXHIBIT G-Water Information (Rule 6.4.7) <br /> Attachment G-2—Water Resources Summary <br /> Executive Summary <br /> 156) Comment: In discussing the proposed operation mining below the elevation of <br /> Deadman Creek,the text states that there is not a hydraulic connection between the <br /> streambed and the deeper aquifer system and,therefore,mining will not interact with this <br /> drainage. Has the applicant investigated the shallow aquifer system in this valley? Will <br /> adjacent pits mined below the elevation of this creek have an impact on any shallow <br /> aquifer system that might exist in this valley?How will the applicant work to minimize this <br /> potential impact? <br /> Response: The North Pit Extension has been revised so that the pit floor is at least <br /> 10 feet above the elevation of Deadman Creek. Deadman Creek is an ephemeral <br /> creek, and this suggests that the water table is below this elevation. Several <br /> boreholes were drilled in this area,and no significant sources of water were <br /> identified. Drilling mud was continuously lost with no fluid return while drilling in <br /> this area. This suggests that seepage,if encountered,will be limited. Runoff from <br /> impacted areas will be routed through detention basins,which will reduce peak <br /> Hitch Rack Ranch Quarry(M-2016-010) <br /> Response to Comments—July 14, 2016 <br />