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III IIIIIIIIIIIIIIII F COLORADO <br />DIVISION OF MINERALS AND GEOLOGY 999 <br />Department of Natural Resources <br />1317 Sherman St., Room 215 Ir~~ <br />Denver, Colorado 80203 I <br />Phone: 13071 866-3567 <br />FA%: (307) 832-8106 <br />DEPARTMENT OF <br />February 23, 1994 NATURAL <br />RESOURCES <br />Mr. Paul Brinks Roy Romer <br />SHB Agra, Inc. eOie`"°` <br />165 S. Union Blvd. Suite 516 %en salaxa, <br />Lakewood, Colorado $0228 E.ecume Director <br />Michael B. Lnnp <br />D nn sinn Dneaor <br />RE: Dowe Flats Quarry, File No. M-93-041 - 112 Permit Application <br />Approval with Conditions Letter and Financial Warranty Request <br />Dear Mr. Banks: <br />On February 23, 1994 the Division of Minerals and Geology approved <br />with conditions your 112 permit application. On February 24, 1994 <br />the Mined Land Reclamation Board approved the application with the <br />conditions listed in this letter. The conditions to the approval <br />are noted below: <br />STIPULATION NO. 1 <br />The operator will submit the final Cultural Resource Management <br />Plan to the Division before any activity can begin on the site. <br />STIPULATION N0.2 <br />The operator will submit the results of the black-footed ferret <br />study to the Division and obtain Division approval to proceed <br />before any activity can begin on the site. <br />STIPULATION NO. 3 <br />The operator will not disturb the 4th Ridge area until acid-base <br />neutralization tests are run on a representative group of samples <br />from the pyritic rock material to be mined or exposed in this area. <br />A separate remediation plan must be approved by the Division which <br />prevents potential acid mine drainage before any activity can begin <br />on the site. <br />STIPULATION NO. 4 <br />The operator will, before any blasting is done, complete pre-blast <br />surveys for owners of adjacent structures that want surveys and may <br />be affected by blasting at the mine in accordance with OSM <br />requirements as presented in the "Blasting Guidance Manual." The <br />operator shall notify such owners and provide proof of notification <br />to the Division. The operator will also propose a blast monitoring <br />