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o Model result for bench slope geometry of 1.67:1 with reduced cohesion (1,500 psf)under <br /> seismic conditions within Appendix D of the Report. <br /> This concludes my review of the provided geotechnical report, "Rock Failure Analysis and Stability", <br /> conducted by Kilduff Underground Engineering, Inc. on behalf of RMR Aggregates,Inc.regarding the <br /> rock failure event that occurred on January 18, 2023 at the Mid Continent Limestone Quarry(Mine). If <br /> you have any questions feel free to contact me. <br /> Sincerely, <br /> Zach Trujillo <br /> Environmental Protection Specialist <br /> (303) 866-3567 ext. 8164 <br /> Zach.Trujiflogstate.co.us <br /> Mid Continent Limestone Quarry Geotechnical Review Memo February 6,2024 <br />