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<br />The propo3Ni T'lIlte of Interstai,e 4'(0 near the "e3tern edge of
<br />the project i8 no" qnit,e firm. It "U 1 run bet"een the e".tern edp:e
<br />of Ht. Glennon and the Goda La!:"o. ^ Inajor h1.p:hway nd.1ncent to public
<br />UBC tLrenD vould cont r1 b'lte a noine "rohlem to thoBe nreM and, nt the
<br />OMle time, be " nouree of "ir pollutn.nt8 vhieh would also adversely
<br />affect public UBe. P~rt of the necd for flood protection stem3 from
<br />overdeveloprncnt nnd ~nc"'''achrncnt on the flood plain. With a large
<br />degree of flood 1'1'1: ~",,:t ton urhan encroachment all the flood plain is
<br />predicted to iuten:d ,'!, ,'.'s!'cc1ll11y if effective zoning is not implecented.
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<br />tiome vep:"t"ti,"'" ':ill he lost to the project. Along Tu,'j,ey and
<br />Bonr Creeks there I" "" "vel'" tory of' large cottonwoods interspersed
<br />"i th n le3ser IlUl1lber uf ]"J)(cld"r Md "illows. This voody vegetation
<br />"auld be removed fro,1I n stretch Ilpproximately one mile lonp:. Included
<br />in this stretch "ou.l,] h" th" runin embonlunent and the conservation pool.
<br />The vegetative grOUllt1 C'Wer hn. been heavily overgrazed Il11d currently
<br />consists of MnuN ",' ',j-; '""d mixed weedy grnsses. Flooding of this
<br />veedy vegetation is not considered a major loss.
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<br />There are nc'" ,'" l abcndoned nnd caved-in coal mines "ithin the
<br />project boundnri,,", ::,;','u'"J of' these nre located vithin the conservation
<br />Md ,J:lnxil'Jurn ''''01 1,0. IIi ,1. ,,,. 1 es. If these mines vere to be lert ns is,
<br />there vould exist the )'ossibil1 ty of cont8Jl\ination of the lake vater
<br />by acids derived fron coal and "ateI' interactions. In ~ddition. there
<br />are several cluy and "ravel mines in the project area that vould be
<br />eyesores if thcy w"'r~ lel't untouched. There are also OIle or more exposed
<br />~harts or holes thnt 1rould be a safety factor in a publ~c use area.
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<br />2. RecI""",t,ion - An adverse effect associated vi th recreation
<br />Is the henvy impact "r olliJll.n trafficc on the semi-arid vegetation.
<br />Zxcess trnffic 011 t1),>:;", plnnt types 'vill compact soil and vear dovn the
<br />vegetation in much 101'," "rone vay that overgrazing does. ,
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<br />D. Rcmcdiul Ly~')tecti Ve and mitigative measures.
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<br />HeJoentionJ - Hore than 3.000 acres of land, includin~ 228
<br />surface acres of vater, vould be devoted to unre~tricted public use
<br />as a recreation outlp.t. This vi 11 offset the fa<:t ths.t several farmsteads.
<br />:;-esidcnces, r.. mobile l)l";rr:.e '~-:...l-.J"r court ana aome businesses ..,ill have
<br />to be evacuf,ted. Es.rth form~tion plus strategic tree Il11d shrub plMtings
<br />would be considered for n noise barrier betveen fhe proposed 1-470 right-
<br />of-v&:! Md publio un~ ar"a" of the proJect. '
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<br />Loss of Yep:n',~ I,." - In order to ]lru-tially mitigate the loss
<br />Df' trees alonp: strer."j),,,,;;s the existing trees, "henever possible. "ould
<br />be moved bne;, to the J,n:'e edge vi th large tree moving equipment. Trees
<br />and shrubs lost to construction would be replaced by nev plantings.
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