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B tKeffelew <br />June 13, 2006 -- , <br />hunting perches-at least:dtiring the Whiter. The word `Yoosf' can also be used to refer to <br />communal :overnight winter roosts, which are trees used.by several bald:eagles . <br />continuously for.ovemighvroostirig for at least -two or three weeks-during the-.winter... <br />There is no format <br />de miiion. stating the number of eagles necessary for a tree-to be, - <br />considered a winter communal-roost or stating the length of time that a tree must be used <br />to,be considered a winter communal roost. The U.S. Fish and Wildlife'Service ( USFWS) <br />lids indicated-that' they, are' concerned about activitiei that affect comiriunal winter•roosts. <br />` They generally ,do�ribrtake "action,over effects to hunting'or feeding perches (Pers6nai <br />communication betweenT: Davis, Weiland, •ins. and P.'Plage; USFWS, Lakewood; CO, <br />Septembei 1S, 2005). : <br />" Asphalt specialti& will-work with the CROW and the U..SFWS to•design a field survey <br />that will detei iihe whether cottonwood trees'in the• permit amendment area are used as a <br />communal winfer.'_roost;,`: Asphalt Specialties will then conduct the - survey during the <br />winter of 2006- 2007. If tfie,surve ' results uidicate the trees are a comindnaf°winier roost <br />Asphalt.Specialties will consult with`the CROW and USFWS to design-an appropriate <br />mitigation this time it is:anticipated,mitigation would include seasonal mining <br />near the trees and an appropriate'buffer arouind-the trees duri ng the winter. ' <br />The:CDOW mentionns Pr"eble's meadow jumping mouse (Zapus hudsonius preblei) as a <br />species they would expect to find on tihe site. Trapping. surveys for,this: species ' <br />performed in•2000'fiild`,d,.to find- this:species present. Additionall}+,-the,U.S. Fish and <br />• Wildlife S"6.-'conchided in A004..thaj Preble's meadow jumping-mouse is unlikely to <br />occur on the sites' T" his conclusion-was based,bn the 2000 trapping fey as well as other <br />surveys performed on:Boulder Creek near the project area. • . . _ <br />CDOW.also expressed•concerri'abouut potential use of the project area b'y. bivrowing owls <br />,t, , <br />(Athene•cu-niculana).' No surveys�have been performed for this- species.:Asphalt <br />Specialties-will haye.a burrowing oWl 'survey 'perforined at the-stait of each nesting <br />season in the areas:that will be mined during that nesting 'season. , <br />CDOW requested'that prairie•dogs'ori:the site be either ielocated,or Humanely killed prior <br />r <br />to -mining. Asphalt Specialties has no plans toxelocate" prairie dogs: of to euthan, a them <br />prior to mining: ,' • :; -s <br />CDOW ina&severaLsuggestions with regard to grading and landscaping in and'iui nd <br />the reservoir and.tiond4 -o bd left af%r•mining.- The northern reservoir on the -site will be <br />used fbt. vater'storage. Water levels.-in this reservoir may exhibit it great deal of <br />.variability .throughout the year as water is drawn down'and replaced. Asphalt Specialties <br />believes•tiiat gradm -t_and landscaping this reservoir to accommodate wildlife and fish is <br />• not•practical. ' The'sc4t iein pond will have an irregular shape. The use of the water in <br />this pond has -not yet been determined. If the final use is'not for water' -storage, Asphalt <br />.Specialties will be.wiiling to "discerss'habitat improvement measures with fl e,CDOW - <br />prior to pond construction. - <br />GDOW suggests,regegetatu�g' with •native plants and' controlling weeds- • A'reclamation <br />plan was:submitfed to and approved'by the DMG (See Exhibit E iri the DMG <br />application ).'''i'lie.plan��naludes the:' weed <br />lad <br />u► bwabrkig:. <br />