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Salsola kale), is present in low numbers in some areas of the reclamation site. However, Rus- <br />sian thistle is not listed as a noxious weed. Therefore, noxious weeds are not currently a con- <br />cern at this site. <br />Table 3. Costilla County Noxious Weed List <br />Common Name <br />Scientific Name <br />Colorado State List <br />Bull thistle <br />Cirsium vul are <br />B <br />Canada thistle <br />Cirsium arvense <br />B <br />Hoary cress <br />Cardaria draba <br />B <br />Houndston ue <br />C no lossum officinale <br />B <br />Leafy sure <br />Eu horbia esula <br />B <br />Musk thistle <br />Carduus nutans <br />B <br />Russian kna weed <br />Acro tilon re ens <br />B <br />Yellow toadflax <br />Linaria vul ans <br />B <br />Field bindweed <br />Convolvulus arvensis <br />C <br />6.0 CONCLUSIONS <br />Revegetation efforts at the Mesita Hill mine site are successful to the standards required of this <br />mine site. The native vegetation is established and is continuing to self - regenerate and expand <br />its cover and matches the surrounding landscape in cover. Noxious weed cover is not present <br />at this time. It is recommended that this site has met the reclamation and revegetation require- <br />ments for bond release for all of the site but the two tailings piles. <br />7 <br />