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Martin Marietta Materials <br />Spec -Agg 2015 Annual Report <br />1.0 INTRODUCTION <br />Lachel & Associates, Inc. ( Lachel), has prepared this independent annual structural geology evaluation <br />for the Specification Aggregates (Spec -Agg) Quarry located in Golden, Colorado for the 2014 year. This <br />study was conducted at the request of Martin Marietta Materials, Inc. (Martin Marietta), the owner of the <br />quarry, as a requirement for State of Colorado, Permit Number M -74 -004. The structural geology <br />evaluation presented herein includes observations and measurements from the quarry that have been <br />obtained annually by Lachel staff over the past eighteen years (1997- 2014), as well as results of the <br />detailed geotechnical investigation conducted by Lachel in 2003. <br />February 25, 2015 Page 1 Lachel & Associates, Inc. <br />Project 14364006 00 02015 All Rights Reserved <br />