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Hitch Rack Ranch Pit Wall Geotechnical Assessment—Supplemental CDRMS Response <br /> NORWEST 65018 <br /> March 2 ,218 <br /> COR PORAT ION Page 4 <br /> Additional drilling and geotechnical assessments are required to allow detailed designs to be <br /> completed for the ultimate pit walls which will be significantly higher than the Phase 1 pit walls. <br /> S. CLOSURE <br /> This memorandum has been prepared for Transit Mix Concrete Co.to provide them with a supplemental <br /> information related to the geotechnical pit wall design in support of the development of the proposed <br /> Hitch Rack Ranch Granite Quarry. As mutual protection to Transit Mix Concrete Co., the public, and <br /> ourselves, this memorandum and its figures are submitted for exclusive use by Transit Mix Concrete Co. <br /> to support their regulatory submission. We specifically disclaim any responsibility for losses or damages <br /> incurred through the use of our work for a purpose other than as described in this memorandum. Our <br /> memorandum and recommendations should not be reproduced in whole or in part without our express <br /> written permission unless it is to support regulatory submissions. <br /> NORWEST CORPORATION <br /> Sean Ennis, P. E. <br /> Vice President, Mining <br /> Attachments <br /> Figure 1: Hitch Rack Ranch Pit Wall—Plan View with Cross-section Location <br /> Appendix A:Slope Stability Analyses Results <br />