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F~ /~rry-~ sss <br />III IIII IIIIIIIII III ~ORPORATE OFFICE <br />L. G • ~/ ,' ~/RIS , INC: • 300 S. PHILLIPS AVE. • SUITE 200 <br />P.O. BO% SB29 <br />SIOU% FALLS, SD 57117-SB29 <br />PHONE 605-3345000 <br />FA% 605334-3656 <br />vxo <br />"°~^ MOUNTAIN DIVISION <br />7321 E. BETH AVENUE ~ SUITE 200 <br />HENDERSON, COLORAD080640 <br />303-287-9606 <br />JUIy 6, 2001 FA%303289-1348 <br />RECEIVED <br />Gregg R. Squire JUL 0 9 2001 <br />Environmental Protection Specialist <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 Division of Minerals and CeBlogy <br />Denver, CO 80203 <br />RE: Slurry Wall and Clay Liner -Adequacy Review, <br />Lohmann Sand and Gravel Mine, M-2001-017 <br />Dear Mr. Squire: <br />We respectfully submit the following commitments in response to the adequacy review on the <br />Slurry Wall and Clay Liner for the Lohmann Pit. <br />We agree to including into the overall bond the direct pit lining and slurry wall installation costs as <br />were detailed in Allen Sorenson's memo of July 2, 2001, regarding the Slurry Wall and Clay Liner. <br />As was noted, we are eligible for the 20 percent bonding option. <br />We commit to providing the construction quality assurance report and engineer's certification within <br />90 days after the completion of the slurry wall. <br />With each annual reclamation report submitted to the Division, we also commit to including <br />information on the clay liner installation progress and a summary of any ongoing construction <br />quality results. <br />In the commitments written above, we commit as both L.G. Everist, Inc., and Andesite Rock <br />Company due to the fact that both company names are used in the original application. Andesite <br />Rock Company is a wholly owned subsidiary of L.G. Everist, Inc.. <br />If you have any questions, or require additional information, please call me at 303-287-4656, <br />ext.18. Thank you for your guidance. <br />Sin erely, <br />~~~ <br />Lynn E. yer <br />Regulat Manager <br />cc: R.A. Everist, L.G. Everist, Inc. <br />Dennis Fields, Andesite Rock Company <br />Allen Sorenson, Division of Minerals and Geology <br />Banks and Gesso <br />Weld County Clerk and Recorder <br />LM/LOH-slurryadq-dmggs-070601 -via facsimile and CeAitied Mail 7000 0520 0019 0618 8548 <br />