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<br />STATE OF COLORADO <br />~ DIVISION OF MINERALS AND GEOLOGY <br />Deparonent of Natural Resources <br />737 3 Sherman St, Room 275 C O L D RAD O <br />Denver, Colorado 80203 DIVISION O F <br />Phone: (303) 866-3567 MINERAL S <br />FAX: (303) 832-8706 MINERALS PROGRAM POLICY MEMO G E O L O G Y <br />RFC LAM •TION•NINING <br />' SAiETY•SCIENCE <br />TO: Minerals S ~~ <br />From: xsx ~~~ <br />Date. January l9, 200s <br />Bill Owens <br />Governor <br />Greg E. Walther <br />E>;ecuWe DIEMOr <br />Ronald W. Cattany <br />Division Director <br />Naturzl Resource Trustee <br />RE: Tamarisk and Russian Olive Management at Permitted Mine Sites <br />This policy supplements the Board approved Weed Control Policy, dated July 17, 1998 and <br />revised 2/14/02, and 10/28%02. This policy pertains just to tamarisk (salt cedaz) and Russian <br />olive. . <br />As we developed this amendment to the Board's Weed Policy, we received input from industry <br />associations, state weed experts, the Office of the Executive Director, Department of Natural <br />Resources, the Attorney General's Office (AGO) and Office staff. We appreciate and thank <br />ffiose that provided comments and suggestions. <br />Our existing Weed Control Policy addresses noxious weeds and provides guidance for mine site <br />control and/or eradication of noxious weeds. The policy currently excludes tamarisk or Russian <br />olive. However, these species aze now infestation problems on some permitted sites. <br />Where tamarisk and/or Russian olive occur and the State Weed Rules do not require eradication <br />from the region in which the mining operation occurs, the Boazd directs the DMG to process <br />reclamation liability release requests if: <br />1. The release area was in reclamation prior to January 19, 200s (grandfathered); and <br />2. acceptable evidence is provided to the I3ivision that the approved reclamation planhas <br />been fully implemented; and <br />3. the release area satisfies all other provisions of the Act, Rules and Regulations, and the <br />approved permit application. <br />However, where tamarisk and/or Russian olive are the sole source for infestation on to adjacent <br />properties that are free of tamarisk and/or Russian olive, these plants shall be eradicated just as <br />any other noxious weed would be required.to be eradicated from reclaimed azeas under these <br />circumstances. <br />C>~ce of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />