|
<br />
<br />
<br />------- ---------
<br />
<br />aGal____1iiiilil1iilII
<br />
<br />1iiG__...._.......---
<br />
<br />TAgLE I
<br />
<br />fLOOD fREQUENCY-ELEVATION AND OISCHARGE DATA 1/
<br />SOIfI'lt FORK RIO G!lANOl) REAOl 3 -
<br />
<br />Cro" StatIonIng
<br />Section' fr()tnt\QlIth
<br />Desig-
<br />nation ,feet (ketres)
<br />
<br />Stre_lled
<br />Elevatloll
<br />
<br />Crest-Elevation fee: (Hures) Hatlonal GeOdetic Vertical
<br />lIat""'. and Peak Dlseharqec.f.s. (e....s.)
<br />
<br />Ider>tlflcatlon:
<br />
<br />feet (ketru)
<br />N.G.V.P.
<br />
<br />lG-Year
<br />flood
<br />
<br />SD.V'lar
<br />flood
<br />
<br />8251.7
<br />""
<br />
<br />'",
<br />
<br />(3m.4)
<br />
<br />8242.3
<br />
<br />(2512.3)
<br />
<br />(250.7)
<br />(77.3)
<br />
<br />8248.6
<br />""
<br />
<br />:2514.2)
<br />:131.7)
<br />
<br />8247.1
<br />""
<br />
<br />10Sl-95
<br />
<br />IOG'Year
<br />"""
<br />
<br />SOD-Year
<br />"""
<br />
<br />8249.5'
<br />"00
<br />
<br />(,~15.1)
<br />(250.6)
<br />
<br />(2514.~ .
<br />(161.1,)
<br />
<br />"
<br />
<br />[06>60 (32~9.2) llea"""~RoAd
<br />
<br />8242.5 (2,12.3)
<br />
<br />8243.0 (2511,.0)
<br />2730 (17.3)
<br />
<br />82109.9 :2514.6) 8250.'.1 (25l4.'.I1 !l22.9 (1515.8)
<br />4650 ,:131.7) 5700 (161.4) &\50 (2SO.6)
<br />
<br />,<>
<br />
<br />101+35 (3272.0)
<br />
<br />8242.6 (2512.3)
<br />
<br />82109.1 (2514.3)
<br />2130 (77.3)
<br />
<br />&51.3 ':251S,0)
<br />46:iO ':131.7)
<br />
<br />am.3 (2515.3,\ &1';/..5 (2~l6.C)
<br />S700 (161.4) 385<.1 (250.6)
<br />
<br />'OC
<br />
<br />ll4l-35 (JI,85.4)
<br />
<br />8249.2 (2514.4)
<br />
<br />8254.8 (2516.1)
<br />2730 (77.3)
<br />
<br />8256.7 ':2516.6)
<br />4650 (131.7)
<br />
<br />8257.5 (nl6.91 R1sa.9 (2511.3)
<br />5700 (l61.4) 6850 (2:;0.6)
<br />
<br /><l>
<br />
<br />121+15 (3692.7)
<br />
<br />82';4.5 (2516.0)
<br />
<br />8259.6 (Ul1.5)
<br />2730 (n.3)
<br />
<br />8261.2 (2518.0)
<br />1,640 ':I31.4)
<br />
<br />8261.8 (m8.21 8263.4 (25l8.7)
<br />5700 (161.4) W,D (2')0.3)
<br />
<br />'"
<br />
<br />129+15 (3936.5)
<br />
<br />8259.5 (2517.5)
<br />
<br />8:.266.2 (2519.5)
<br />2730 (77.3)
<br />
<br />8267.6 (2S.<"{l0)
<br />4640 (m.4)
<br />
<br />8268.1 (25'l(l.l) 826M (2)20.5)
<br />.\69:> (l61.1) $<00 (230.0)
<br />
<br />cr
<br />
<br />13,..75 (4119.4)
<br />
<br />8264.1, (2519.0)
<br />
<br />8:m.9 12521.))
<br />4630 1131.1)
<br />
<br />13::00.1 (2520.7)
<br />2J2l) (77.0)
<br />
<br />sm.6 (2521.5: 827".3 (2.322.0)
<br />5680 (I6l).S) 8820 (249.8)
<br />
<br />oc
<br />
<br />147+35 (41091.2)
<br />
<br />827M (2521.7)
<br />
<br />8279.3 (2.m.5)
<br />2n0 (77.0)
<br />
<br />8281.1 (2524.1)
<br />~630 (131.1)
<br />
<br />8281.5 (252~.2) Wl2.7 (2:,2/..6.1
<br />5610 (JW.6) 8810 (2(,9.5)
<br />
<br />11 flood elevatlot'ls pertalll to the prlNrychat'lt'lel 8t'ldusuallyr""",lnconstant Ina I.,teral dlrectlon8crO" tl\e flood
<br />plaIn. However, flood elevatlor>s In tl\e outer portions of a c:r05~ sectIon may dlfter from the prlma,y dl;lnnel due to
<br />road cronln9S, upstream diver. Ion., etc.
<br />
<br />fAlllE
<br />
<br />flOOD FREQUENCY-ElEVATION AND OISCHARGE DATA 1/
<br />sourn FORK RIO GAA....OE REACt! ~-
<br />
<br />CroH : Stat;onln,;!
<br />Sect lon' from Mout~
<br />0",19-
<br />n;;tlOr> ,feet ("etrul
<br />
<br />Tab!.' pa9" S
<br />
<br />IdentificatIon;
<br />
<br />Strea"'8"d
<br />Elev..tlon
<br />
<br />C'e.t-Elevatlon feet (l\et'nl National Geed"t;c Venlc..1
<br />Datum. and I>"ak DIscharge c.r.s. Ie m...)
<br />
<br />feet (Hetrn)
<br />H.G.V.D.
<br />
<br />lO-Y"ar
<br />flOOd
<br />
<br />50-V..,u
<br />flood
<br />
<br />ili
<br />
<br />1S4+85 (4719.8)
<br />
<br />&!78.6 (2523.3) 828.).7
<br />"'"
<br />
<br />(2524.9)
<br />(11.0)
<br />
<br />8285.7 (252.5.5)
<br />4620 (130.8)
<br />
<br />IOO-YMr
<br />"""
<br />
<br />50D~VM~
<br />flood
<br />
<br />8286.4 (2:>25.:.) >:t!81.7 (n2b.1)
<br />5&71) (l60.b:' AA"JI (2'<9.2)
<br />
<br />1&2+75 (4960.6)
<br />
<br />n
<br />
<br />a<81.1, (2524.2) 828&3
<br />""
<br />
<br />(2'il6.3)
<br />(76.7)
<br />
<br />&<);).2 (2526.9)
<br />4610 mO.5)
<br />
<br />"
<br />
<br />170f-35 ()1~.3)
<br />
<br />8288.8 (2516.4) 8293.5
<br />2710
<br />
<br />(2SV.9)
<br />(7&.1)
<br />
<br />8295.6 (2:u8.5)
<br />46LD (lJ().~)
<br />
<br />82%.7 (~.~) <IC,}~.,) (1;,,;.'J..~)
<br />5650 (l&O.O) 817\! (:~Io.'l. 3.1
<br />
<br />'"
<br />
<br />11%0 0352.3)
<br />
<br />S:!9l.1 (2527.2)
<br />
<br />8m,'
<br />"lO
<br />
<br />(252B.8)
<br />(76.7)
<br />
<br />8299.1 (2Sl'U)
<br />4600 030.3)
<br />
<br />fllO....6 (;.W.~)
<br />8/51! (:/47.i1)
<br />
<br />,',
<br />
<br />1&:lI-8, (~512.3)
<br />
<br />8295.8 (252B.6)
<br />
<br />rooo.,
<br />""'
<br />
<br />(253Cl.1)
<br />(76.5)
<br />
<br />lOO3.6 (2'iJO.9)
<br />4600 :130.3)
<br />
<br />8:.!91.0 (2527.1) W.92.~ (2'>27.5)
<br />w.o (160.3; ~7~ (1~.6)
<br />
<br />8299.8 (2529.8)
<br />'>650 (I60.0)
<br />
<br />l\IUl.1 (bA:~)
<br />II!W (<M.l)
<br />
<br />8304.3 (2531.2)
<br />S640 (l~9.1)
<br />
<br />>007.'
<br />VOO
<br />
<br />G'i
<br />
<br />18'*25 (5768.J)
<br />
<br />8:J03.1 (253M)
<br />
<br />(2532.2)
<br />(76.5)
<br />
<br />5lC9.8.:2.$)2.8)
<br />4600 (130.J)
<br />
<br />8310.8 (25l).n
<br />5640 (IS9.7)
<br />
<br />lm:.7 (25)1.7)
<br />87)(1 (2H.8)
<br />
<br />8312.7
<br />'00
<br />
<br />co
<br />
<br />19(,+.25 (5931.1)
<br />
<br />83C8.9 (2532.6)
<br />
<br />(2531.1)
<br />(76.5)
<br />
<br />8314.512534.3)
<br />45<):) 1I30.0)
<br />
<br />8318.7 (2'>35.S)
<br />5630 (159.4)
<br />
<br />ltJltJ.1 (2~.}).1)
<br />8140 (2".')
<br />
<br />u'
<br />
<br />203<-B (619:.01)
<br />
<br />a.m.s (2535.3)
<br />459:> (130.0)
<br />
<br />8X'3.3 am.]}
<br />
<br />8315.6
<br />voo
<br />
<br />(2534.6)
<br />(76.5)
<br />
<br />ltJlS,3 (2331o.5)
<br />5~)) (159.4)
<br />
<br />Rll7.! (2\)>'1)
<br />a7,~ <2~7.5)
<br />
<br />l{
<br />
<br />rlood "levation, pertalr> tothe"'~,o'''...I"''',,,,,,o,.__'' ,
<br />, . '... yy, ..... constant r>alatcraldlreetlOt'laero,s'hcfl00d
<br />p.,ln. Ilowever. floodel"v.tions In theouternnr"..,.', "." , ,
<br />r- ,eet 01'1 lllay d Her from the prl!Tlary cha~nel dll~ to
<br />road croult'l9s. lIPHrumdlvenlon$, etc.
<br />
<br />Td~le p~ge (,
<br />
<br />----------------
<br />
<br />-
<br />
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