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HomeMy WebLinkAbout20030425 Ver 1_Mitigation Information_20090710 (2)4` o M°"I U w U Q (O O CI C O O (T a) O N p 0- 0) Z) cl 'a 0 11) j) O w W ?+ - O O cf) (1) OD a) O O N N O O O p N ?O a) ? N Y O N N N -C N N N (v Q Q•c p 2 •C == r >LD=(o 00 O N 7 s Urm? O Z > U)U)U) N?QQQ c ? N O Y 'o a C E o a) m N c a O Q w c 0 o a) Q o C .0 c m? O a) c x cu mg ?m - *E In a) N a) p c rn rn ? cm 0) 0) 0 w-0 c c c c °) c c(n m m(D 0 0 0 0 ' t v Qc m ° = C7a m °? rn m a? C O o c.m r .0 a? ? c •c 'c 'c .2 m E} Za) 0 0 0 0 c6 1° m O 7 5 C. N(A> > ` p m 2 V ? d ' N My MO ? Q w m ` ` ` 0 o U) C ° E m u i m m c o m maw Z)z F? o 2 aL C) ,fn c Y C O 0 E 0 E rn m m C Mn a) m a) _ Q (/) cn 7 T O a) rn U) _O w Y U O U C O m OL p cu W ? a) p E a 2 W a z w a) a) c a) a) ? N E 7 C > N a) .2 (o E .> o Q 2 U Mn CL M p O E rn° • C m M O O CD *O ,N O L C U O O th CO CO O 3 C a ' E c ° Z) ? m m ) ? C ? ? m c U m m W Y 'oO O ` U m N m O >_ 'C Q? - io O c co cm U a) > (D O >, (a -0 a) E fl c 0 O N m (n O = a) N c c t a) 'C .L.. C) o f0 L O N 3 co a .c a) o = C\j C > V 47- ` N 7 a) Y =M7 > a E O C U ) N U C Mo E a) .X O > o a) cu N na) o Q Q C O a) _ -p fA N O U n (o > rn a m c m 3 0 0 O 'O C 0 E 0 0 •- C MT CU Q N = O Y W Mo U co -O a) N? 9,a)L'a) m N C C ? ? -C tm O cc - :3 0 0 0 0 (D U cc _ O ? w 0 MO C- w= M7) ? C O m . L O C CU U C (p ? C m a C 7 " C +LCU U) -(7 0 0 ` CO ,? N 7 a) CU L N f0 L 70 O C >. N CU U 7 C M C cm N C c co "o c N o> O o t m p cm .o) a) cn 0 f0 - - (D (D M _ a O a) o a- N C L 2 a) m N a O + Y a) -"e= ? ' c y C m U ? tr_ U c c E o c c' o ?m n Co 5 o - s a° o O Q°Mn> -- O c MT o o .0 c C O m N cm (D °o a) a) w c N L O .C = w c w E M N a) (D a) a) a) > co E E N a Y = a) N - U ) p N o O j 0` •7 MA 'O Mn 0 m a Q (D m ? E w 0 E a) a) E 0 ?? Q (7 . d - d Q 0 0 I- O M O d 0 0 0 O M O 'a o ? m ? M N 0 0 0 0 0 O 0 NU) N M o Z d0: wW=0CL J va E E-0 c c? A c c A nr m m 3`)`n3 E E m m 2 N U) O V d O M ° c c m o a7 H N U a) N n 14 cc 0 j TN ` E > o Y C'i? 3a O 0 O w w LO O H w V H N O II Z) OD N ; Z C OO C a) V1 O N C1 E O N O N V O C O O E O a3 C 'O N X E aN) C = L C O y ca -0 s° maa)i Uo L c-o m o ' E a) 0 o? N `? O N Ea?m f0 _N U N ° M a N c @ a) .? N f0 N N a) N p a O N m 0) C 7 a 7 (c6 b O c N > N oE U y N l9 'O C Vl L a7 a) w N ~ y C h Q ~ N U U c ?L N N M m w y Z`m?33 1] N V O N m m E m 7 O. ? U .N O N O pp « d N C) C U ? O O a7 N Ew ? 0 Y N 7 i g _S O N O)C C C c d m O C E N E U a) a) O 7 N a) T N fa D m L w N C U L Ln wO (u C Y O O U O N a) dm C TQ O O? Y a) U C O U L a) O ? _ C, m ? .° C O) O C O) 3 E N N O L O co _ M E -0 o a) C 2 E N .L C C O C O :S .D Q) o r- a) ?? a) O C CL x L U a5 y O 'D O a) 3 O c d N C E O? N U O N SZ E `m h E T L O (00 C N > E . ? N O f0 a7 T (0 - C `y O > N 0 C: 'O O y rn .0+ -0 75 O C U L N O C N N _ f0 '> U U l0 O U N E 0 O 0] 16 (U U E Y N C 7 «L+ p 0 3 0 mn= O E ur ? al a) c O T p « n(/ U C a) O_ LL U 7 O U Q Vl > a7 N ?a Clj ? a Oct Hanging Rock project located in Avery County in the vicinity of Banner Elk. Take NC 184 to Dobbins Road which crosses to upstream end of the mainstem reach. rPROGRAM Hanging Rock Restoration Project Avery County, NC 0 225 450 900 Feet I i . I I Hanging Rock reach map on 2005 aerial photography. I!,!C0SVSteM ?nnai-x?enici PROGRAM Hanging Rock Creek Cross Section #1 - Riffle -y--MY5 MY4 MY3 -MY2 t MY1 - - - Bkf - MY5 logo 1009 1008 1007 1006 0 1005 1004 ,2 1003 W 1002 1001 1000 -10 0 10 20 30 40 50 60 70 80 90 } Station (feet) 41 y X 1:" y L Ate. ? ? yv r F. 'r 'Jill i f ..a 4? i` a r?Y..! t t 4•' y .,''?" '{fyF.G f f Hanging Rock Creek Cross Section #3 - Riffle -? MY5 MY4 MY3 -} MY2 • MYl - - - Bkf - MY5 1010 1009 1008 1007 1006 sb o 1005 1004 W 1003 1002 1001 1000 -10 0 10 20 30 40 50 60 70 80 90 Station (feet) ?Mr?Y S ? ? .I? {.?T ?•1 ?.1? I µa ? ? ? * ?'`?4? Yip:. >}> ? ". ?y Hanging Rock repeat riffle X-section surveys. Plots are at a similar scale with modest vertical exageration for comparison. Time series demonstrates channel stability. Please note that MY1 is the As-built datum as was common with NCDOT. Hanging Rock Creek Cross Section #7 - Riffle =- MY5 MY4 MY3 -MY2 t MY1 - - - Bkf - MY5 loon 999 998 b 997 996 0 995 't? 994 993 992 991 990 x{,1 i` 1r •.. r d!§` Unnamed Tributary Cross Section #8 - Run -?-MY5 MY4 MY3 =- MY2 +MY1 - - - Bkf- MY5 1005 1004 1003 1002 1001 0 1000 999 W 998 997 996 995 Bkf -10 0 10 20 30 40 50 60 70 80 90 101 Ivil iv rNucrt dnu u 1 repeat: rune x-section surveys. Plots are at a similar scale with modest vertical exageration for comparison. Time series demonstrates channel stability. Please note that MY1 is the As-built datum as was common with NCDOT. -10 0 10 20 30 40 50 60 70 80 90 Station (feet) r? 3 ;w U L O R CC °- en e e +? E ?.- I I / I • / r U) .I 1 I / I EI 1 / / 1 I 1 10 x r / I I x •? X I I. x X I p o o °o rn rn 0 0 0300 NOIIVAH'IH o° ti5 o° o o° K T C ? a) N =3 in a) 3 m co "o a) C bp0 Q ate) ? Q O Q ti5°p U N E C (A ?p0 a) 1 C L E > z a) p0 ° N O ti° C a) u) O O O C " a) N N fa O a) N q° E a 0 ?o c ^po ? -a bpp a) ? N O Q Oz Q co c ? X00 m o vi o° f o)) CL a) a) c O 'Q) Q C ? N C 2 cv ca . 3 M I/. t A ? o L ? H C I I I ; I I I I I I I ? I I I ? X I I I E I ? I m I • m I I I I • ? I I ' I ' I I • • I I ' r I • I I I I I ' ' I I I • ' I I I I I V1 ? M N .--? O Q00 l? ?p Vi O O O O O O O? O? O? p? Q? e C o 0 0 0 0 o rn a rn ? rn a o 0030 NOLLVATIA ?o ti ti ?o ti ?o ti o° ti ?o ?O 1 ^O 1 ?O ho ti ?O 1 1 u z 0 O° 1 q° ?O ?O ho ao ,yo .?O O 3 > o o ? ?, U C C O ? 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A v y i O 0 0 b 0 O 0 O 0 C 0 b 0 G=7 6 Z c? r M a r [??1 a r (+?1 m r M a, r M rn r C rn r M v + v 3J 00 C4 w O C O C O C O C O C m C G 2 (n i c C7 7 C7 C7 C7 L C7 .- R U Cl) 7 n vJ v) n vJ C7 x ?a c J c7 rA c7 G c7 n c: c7 N a C ,G A W A O E O N N 'bJ N p O O b C p O O O p p F x R ? ? ? V Q` x `? O h A A U t4 bb \ N _ _ m oo d d d ? q Q W V O a? p o p ? 't O o r o N r °o N r c N r°o N ? 0 N 0 N °.j O N N N _a a ? ? N v ° EAU d d Q d ? rn C C f6 N L w N co C O 00 N C N f9 L OO O (1) N C O O CV C . O O C O O N .? C U) 0> M (D rn- a? E C .Lp m fB ? N U O C cn C D U LL p ca 0 a "' CU U LL c 'o - o -o a c m U cu 0 m m ?' T U N C Q O N 7i:- Z O O t: > E - O m N N U U N O O O N pJ L N 0 .C O N p a O O(0 QJL"O N 7 'C w > O C: 0 O .= cn E E C O M L 0 C- "0 E N C ¢ w 0 N 4 .o N N m O c (0 E L C ` > d (D -0 U ? O O O ? O T O O W U') 0 CM 'a C C C a 3 (0 O - > N -0 p w o tq > N ¢ c cn U 'D '- O U U C fD E = m C N to O N Y In N .> C N '7 U Y p U A) U E :r- N O O (0 p O. fn 0' N O 'p -Cu Y C CD > Q UO O E -0 •i '0) 0 c m Tm Et .c? U = - N O' OO a L pJ C L C N (0 O ' cu o C!J ? a _r?