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12/1/2020 State.co.us Executive Branch Mail - Fwd: Fw: Colowyo reclamation seed mix and proposed revegetation <br />STATE OF DRMS CoalAdmin - DNR, DNR <dnr drms coal admin@state.co.us> <br />COLORADO — — — <br />Fwd: Fw: Colowyo reclamation seed mix and proposed revegetation <br />1 message <br />Trujillo - DNR, Zach <zach.trujillo@state.co.us> Mon, Nov 30, 2020 at 7:26 AM <br />To: DNR DRMS_CoalAdmin - DNR <dnr—drms—coal—admin@state.co.us> <br />The following are comments from BLM to the Division regarding Colowyo Mine (C-1981-019) TR143. <br />---------- Forwarded message --------- <br />From: Maiolo, Jennifer A <jmaiolo@blm.gov> <br />Date: Wed, Nov 25, 2020 at 3:01 PM <br />Subject: Fw: Colowyo reclamation seed mix and proposed revegetation <br />To: Trujillo - DNR, Zach <zach.trujillo@state.co.us> <br />Zach - BLM is aware most of the surface in TR143 is private, but here are some comments from <br />our range staff. Thanks. <br />From: Huff, Aimee <ahuff@blm.gov> <br />Sent: Wednesday, November 25, 2020 2:55 PM <br />To: Maiolo, Jennifer A <jmaiolo@blm.gov> <br />Subject: RE: Colowyo reclamation seed mix and proposed revegetation <br />Hi Jen, <br />My comments are listed below. Please let me know if you have any questions or concerns. <br />Cheers, Aimee <br />Table 2.05-7 <br />would recommend the use of utah sweetvetch (Hedysarum boreale) instead of cicer milkvetch (Astragalus titer). <br />The native nitrogen -fixer is preferred to the introduced species which is competitive. A. titer can outcompete the <br />seeded native grass species impacting seeding success. <br />The substitution of Great Basin Wildrye (Leymus cinereus) for Orchard grass (Dactylis glomerate) is an interesting <br />approach. The structure of great basin wildrye is preferred over orchard grass. The larger stature of basin wildrye <br />reduces drifting and increases snow retention. This can increase soil moisture and enhance shrub species <br />establishment over time. <br />Table 2.05-8 <br />Any seed application method that includes the use of a cultipacker would increase sagebrush seed establishment. <br />Table 2.05-9 <br />Small burnet (Sanguisorba minor) is an introduced species that is not known to occur in Moffat County. Rocky <br />Mountain Bee Plant (Cleome serrulata) might be an alternative to consider. <br />General comment: Letterman's needlegrass (Achnatherum lettermanii), junegrass (Koeleria macrantha), and <br />needleandthread (Hesperostipa comata) would all be appropriate for the range site, but were not included in the <br />seed mix or on the list of contingency substitutions. <br />https://mail.google.com/mail/b/ALGkd0y8elLUpphO-cw_b4dRu9Vtn4AuagQgJnHQChhDjud92irb/u/O?ik=deb7fOcd20&view=pt&search=all&permthid=th ... 1 /3 <br />