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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Cleparunent of Natural Resources <br />1313 Sherman St., Room 275 <br />Denver, Colorado 80203 <br />Phone: (303) 8663567 <br />FAX: (303} 832-8106 <br />COLORADO <br />DIVISION O F <br />MIN~RALS <br />GEOLOGY <br />REC LAMATION•NINING <br />Bill Owens <br />TO: David Berry covemnr <br />FROM: Sandy Brown Russell George <br />DATE: February 16, 2006 Executive Director <br />RE: Forfeited Mine Summ & Pro osed Reve etation Sam lin 'mob "'• ~~ny <br />p g p g Division Director <br />Natural Resource Trustee <br />In an effort to prioritize revegetation sampling efforts at the forfeited mine sites I have <br />created the attached table. This table lists the forfeited mines, the year(s) they were <br />seeded and the amount of remaining bond money. <br />The following sites aze recommended for revegetation sampling this summer: <br />Grassy Gap -This will be the second year of sampling. Janet Binns is the <br />sampling coordinator. We plan to sample the end or June or first week of July. <br />Twin Pines - We will initiate sampling in June. Kent Gorham is corresponding <br />with the landowner and leasee to gain access and to determine final pond status. <br />I will be the sampling coordinator. Kent and Dan M. have volunteered to help. <br />Last summer we sampled at OC#2 hoping the revegetation would be successful. <br />Revegetation on the hillslope is sparse and the final results showed the cover and <br />producfion were both below the standard. Since, there is money left we will take <br />measures to improve the revegetation. Dan Mathews has been corresponding with the <br />landowner to develop a plan to improve revegetation success on the slope. Dan Mathews <br />will take the lead on this site and work with the landowner, Castleton Ranch. We will <br />keep you updated as plans aze drafted. <br />The Blue Flame Mine was sampled in the summers of 2002 and 2003. The site achieved <br />the cover and production standazds. The reclaimed site is characterized by a diverse, <br />permanent vegetation and would qualify for release. In May 2004 a contractor repaired <br />some subsidence damage above the reclaimed portal and redisturbed a small area of the <br />revegetation. I do not believe additional vegetation sampling is warranted at this site. I <br />think we can rely on the data collected previously when the site is stabilized. <br />The proposed sampling for the summer of 2007 will include: Twin Pines, TBM, and <br />Coal Gulch/Amess McGriffin. <br />c. Dan Hernandez <br />Janet Binns <br />Dan Mathews <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geolog'¢al Survey <br />