Laserfiche WebLink
GT <br />GreenbergTraurig <br />Christopher 3. Neumann <br />Tel 303.572.6551 <br />Fax 303.572.6540 <br />NeumannC @gtlaw.com <br />September 9, 2011 <br />VIA HAND DELIVERY <br />Mr. Wallace H. Erickson <br />Colorado Division of Reclamation Mining & Safety <br />Durango Field Office <br />691 CR 233, Suite A -2 <br />Durango, CO 81301 <br />Re: Response to August 23, 2011 Bird Memorandum <br />Dear Wally: <br />I am writing on behalf of Wildcat Mining Corporation ( "Wildcat ") to respond to <br />the memorandum prepared by David Bird addressing Geochemistry and Water Quality <br />Review Matters for the May Day Idaho Mine Complex. As you have requested, I have <br />re- stated below each adequacy question, and then provided a substantive response. <br />Adequacy Issue No. A. Attachment D -5, Dry Stacked Tailings Work Plan, Rule <br />6.4.21(8) <br />Adequacy Issue #17 from Technical Memorandum of 3 May 2011. Dry stack tailings <br />The Applicant states: Dry stack tailings typically produce a stable deposit requiring no <br />retention binding. <br />1) The Applicant will need to provide references /examples of sites where <br />this has been successfully employed. The Division will need to inspect <br />the proposed location underground where the dry stacked tailings will be <br />deposited before sign off. <br />2) In addition to the items listed under Environmental Engineering <br />Summary, the Applicant must identify and map any locations in the <br />disposal area that are seeping water into the drift. This mapping should <br />be done during the late spring or early summer, when the chance of <br />seepage is greatest as is the ability to identify and map them. The <br />Applicant must commit to consolidation grouting of fractures or other <br />weaknesses in the drift that produce ground water seepage if the seepage <br />has the potential to come into contact with the disposed tailings. <br />DEN 97, 591, 783v2 9 -9 -11 <br />GREENBERG TRAURIG, LLP a ATTORNEYS AT LAW o WWW.GTLAW.COM <br />The Tabor Center © 1200 17th Street n Suite 2400 u Denver, CO 80202 o Tel 303.572.6500 o Fax 303.572.6540 <br />ALBANY <br />AMSTERDAM <br />ATLANTA <br />AUSTIN <br />BOSTON <br />CHICAGO <br />DALLAS <br />DELAWARE <br />DENVER <br />FORT LAUDERDALE <br />HOUSTON <br />LAS VEGAS <br />LONDON' <br />LOS ANGELES <br />MIAMI <br />MILAN" <br />NEW JERSEY <br />NEW YORK <br />ORANGE COUNTY <br />ORLANDO <br />PALM BEACH COUNTY <br />PHILADELPHIA <br />PHOENIX <br />ROME "' <br />SACRAMENTO <br />SAN FRANCISCO <br />SHANGHAI <br />SILICON VALLEY <br />TALLAHASSEE <br />TAMPA <br />TYSONS CORNER <br />WASHINGTON, D.C. <br />WHITE PLAINS <br />ZURICH`" <br />* OPERATES AS GREENBERG <br />TRAURIG MAHER LLP <br />* * STRATEGIC ALLIANCE <br />