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<br />OO~S8Q
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<br />50272 "101
<br />REPORT r;oc.iiMENTAT!QNTCREPoR1NO:------~~-.--~__rz.----~l3~;;;;rt;;A;~~~~\-;;:--~~
<br />PAGe I _~J
<br />
<br />4.T~~it{~J~"~\'1 -S~!Rf.I-\;~1 QUA~ll~( ~N fHE YAMP/.l R1VER B~SIN.' r5 -RE!Po-rt-D~~I_il 1980 ~j'
<br />COLOi~Afln ,n,ND ~IiOH I NG 1-6. -
<br />,
<br />
<br />18. Peoforming Organization R~pL .\10 11'
<br />'JSGS/WR I no-08
<br />11
<br />110. PI"0JecttTask/Worl<. Unit No. I
<br />
<br />1-.,.' -i
<br />i - Contl':~ct(C) 0" Grant(G) 1'1(,_ !
<br />I lei I
<br />
<br />I 'G) I
<br />
<br />I". -'n" of Report" PNio6 Cow,, U I
<br />
<br />I Fi"'li
<br />114. i
<br />i
<br />
<br />'''.
<br />
<br />7. A\)tgnWi s b"
<br />
<br />';,,Ieritz
<br />
<br />and TImothy Doak Steele
<br />
<br />9. Performing CJr,~"n;U1ti'H" i~_'Jrne and _,ddress
<br />
<br />U.S. \~e()ICiglcal Survev) "'fater RE:SQUr\:es Division
<br />80)( )~;046. Deil'.'e; FederC',; Center, Hall Stop 415
<br />L;3keh'oocl, CO 80225
<br />
<br />12. Sponsoring Ur;,;:lI'Iilation Nar
<br />
<br />" ,me! "',cld,.e..~
<br />
<br />
<br />u.~\, Ge()lo~lical Survey, \IJ'ater Hesc:urces Di\f!sk)(,
<br />Box ?':;OI16, Dewier Federa'l (E"'_nCei", ~lai-i Stop 415
<br />Lak..:;:\40od, CO I3U;22S
<br />
<br />15. StJpph~Il'0/"\"ar,' Note-;
<br />
<br />
<br />16.Abst~~n(LilTlit:200words) HistO!"lC daL..) shO"-i no signi"fic.,::n1t 1Natei-~.temp2ri:itu('e changes s}nce :35'1
<br />for the L.i tt.!e Snake or Yampa P.ivc~rs, the t",,.o major stream'> of ths-, Yampa RiVE;" basin. Re-.l
<br />gional d!-\d:yses indicate thc,-~' ha.rmonlc-rne'::!!l temperature I".s'nega1:!vely correlated with altiH'!
<br />tu'de. tJo \.:hd~~_f-~ ;n spec~fic c~nductanc'e sin~e 'i951 ~V~S noted .-F~); the L1ttl~ ~-;nake Riv~r; !
<br />however, ~;pec!tlc CO!~JlIcr.,'lnce In the '(ampa Rlver has Increased iLl percent sInce that tIme 'I
<br />and is attriblJtca to increased 3gri~ultural alld mlJnlcipal use of water. Site-specific re-
<br />lationsh;ps bet~sen major lnc)rganic corlsti~uents and specific conductance for the Little I
<br />Snake and Yainpa Ri~er5 were simi,lar' to regional r'elationships developed from both histor1c I
<br />and rec.en't (IY7:)) dal:i3, Th'esi2 r'elaI:onshlps providE; ,8 means for e'stimdting concentr'ation.s ,
<br />of major ir':\)I"g2\nic constituents from specii:;c: c.onductance, w,hlch 15 ea:;lly meaSi-,Ii'ed, '
<br />T(3ce"e!emer.t and nu1JiE-~nt c!at.:~ collt':c.:teci fr'om AUfjlJst '1975 through Septembe:~ 1976 at 1
<br />92 site:'.: in :-!I:'. Y,-ifn~l;-:-, I,:ive\- basin indiCf~tE' that wate1-'.qualit';, de'jra.oatioll occurred upstream:
<br />from .3 c,it(~:::,< The degr3dation re:.,u"!ted from Jndel"gl"()und cral;'laqe fro:n pyrit:c materials I
<br />that p"obc-d')ly ,-,r~ assoclott',j IrJith coal at one. 51 te, d)~3charge fl-om powerplant cool ing'-tower!
<br />blowdown ,-,,;c;tr-;I' :"-3<( ;';'1 seconcl 5\ te, Elnd t"unoff- from ~ snldl1 wa'tersh,-:;c! containing i::1 gas fielc: !
<br />at the ;--I-!'i d ~',it~ Ambient ccncentrai-1c)il'3 ~Jf die,solved and tota' irOl'": --3nd manganese fre- ~
<br />quent'i\/ 2,~-;:,eeci'::: D'''c;'osed f>JICn-ado \lJater"'qua] it,/ ~.:.tand<.'ll"d$-. The u)ncentratians of many
<br />dissolv<:':d <'in(1 (.')t"li j.l~ac\,: e1emen\:s and n!.!tri';-~DtS ',,'ere gj--eatest during ~tarch 19]t), These
<br />ere a:;5():iat:.:=:d \,\ii ;,-r 1,OJrger ~;l ':.>pen:l<;od,.!.,;:-dirileot. C'~)Pc.:::"ntrations and sma1 ier pH value::, than
<br />_.:t_Qth~._I~ ' ;1': .' ': ,"] f r i" ,- _.. 'l'!: i~ r'_
<br />17. DOClIrnf>l'\<: 1'_11,\1:,,::1 - ,I, Of:"':; Ipjor~
<br />ater quai 1,:.' ~.,Ia{',i-:'!- chemisi:ry, v';c'te~"reso(!t'\.'_e::: (Jf-\I:;:>!opm2"tj ?efjir:,lfiai dnd]Ys;s~ Ch:?mic3~
<br />analysis, \'b,:Ii-C{')q;,~., data, St_"::\t:~.-:.:iCd1 mei':',ocs, R,E:g('<::5slon aqaiys:'~" T'me'.se(i(-:,:: a!'1dlisi:-,
<br />Colorado; Vj'/Dll1j;19~ Com~'ti;:E'I' PI"C'9i"i:dl'i:ij ;;;')I"Face 'dater, ;r'r-igC:!'C1or]
<br />
<br />
<br />b. Id~n~ll-iel'f,/Ut-'en.t:"d'cd ,",In's
<br />
<br />Yampa )\1\',;.:: ",.;;'-':!.1 i,CoJ 'W):::,..), '".!<-:;1:.2., qLk; ;i:,;,",,:;tre'-:;:T,f10V! i-s)at;or,shlps, ~iarmGnic 2na:-:,"o.,i:::-,
<br />Frequeilc, .! i ,~.. ; ',I '-, :~q
<br />
<br />c. eGG,". I i ~-::-.,'~'''\:''')L;i'
<br />
<br />-- r'19: Sf:cur;ty i:;i;;;ss nhi~; r-/epor[) -T21:-~;~;f-P;';~--~
<br />
<br />UNCLASSIFILD i 170 1
<br />i -, ~,--~_- ---- ----~~
<br />'I 2{). S~(.udty Ci",ss P~I;;;'':) ! ,,2, ~-,,(:e
<br />I UNCLJ\SSi::n I \
<br />,,~"___~"r", "..~*." _','N" ' ,_,~_"..~"~_'""_~_~~~,,,,'~_~___c.'~.~~___..__._._~.,,__~..!..'".____~_.."'"'~_~_~_'"~~'"_'
<br />s'?/< i",;:, i<;I;)fl5 \e" i"vllJrse '':H'TIOlvAL FORM 2:72 (4.-:17~
<br />(~'Jrm""dy N-,'IS-35l
<br />')Bpa'"H,:-nt ,)( C:omr'","'fC~
<br />
<br />18. Avail~,bil!t'l '"~~{(l;r,,,,"\
<br />
<br />tlo res t r! \~ !- i :Jr' ')I~
<br />
<br />i I ': i: (' i b J!." : ':111
<br />
<br />{See ANst.,.Z39...iT,
<br />
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<br />}, 'Ii.
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