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<br />RECEIVI}>
<br />JUl 09 1997
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<br />Colorado Water
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<br />LOCATIOH AlID EXTENT:~' The r.a Plata River, a sml1 tributary Of the San
<br />- . . . '. Juan River; originates in tha La Plata 1\ountains
<br />1. ., .,' ,'o! Sou1h.estero: Color'adO near Durango," flows south- ..
<br />.,. .....".';Iard fifty'miles and enters the' San Juan River (a :
<br />largetdb\ltary of the Colol"(l(', River), three miles below Farmington, '
<br />Uew Mexic".' The total area of th9 La Plata Drainage gasiriis'597
<br />miles. .TheLa Plata Rivex'.:ie' an interstate stream " ossin~the'~'
<br />Colorado-,'I!ew l'!e;dco State I;in6 tv:enty miles' abovs' i:L mouth;". 70f,
<br />or, its drah:age l\rea lies in Colorado.' '. . ..' ".:, .
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<br />V!.ATER SUF'T'LY: 'ThiJ",lnnual'~verar;e; strea:;i'-!1o\? of approxllliately 70;000'
<br />'acre-feet orieinates primarily' in the La Plata Mountains
<br />2. in C'olorado, t;hioh attain an elevation of 13,000 feet.
<br />".. The New Mexico portion of the La Plata Bash L chiefly
<br />mesa or' plateau in charaoter, attain9 a maximum elevation of but
<br />'" 7200 feet, producea .no.per~nnial $tre~flo\v j' ad .contributes 'only
<br />a.very erratio volumaAro1l\spring snowe ~ndt6rr(ln'tial, ~r or
<br />falll'"'lins eatimated at 10,000. aore-feet annually.; Irrigati.on in
<br />New Mexico along ths' La, Plata is primarily dependent, upon. the
<br />Colomdo mountain run-oft ,mea~uNd at Heep01'Ua and Cll::ounting to
<br />40,000 aor3~f~et in average years.
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<br />3. .. ".Sinco",'the~\l lll"~' nO,reBQ.rvo~rs' of o'onseq\l,snos. .irrigatLon in;,
<br />both,atatea.'islargelr:dependent. uponths. enQ\1BtQragOQ( tho 'L/X
<br />Plata MountlilW and:its,-;e!'l!onal,t!'~l1:sforOlS.tion l\'ltQ. .direo'l;; tl~w.",;,
<br />This: 1e'...the first interstate confliot to oocur in the Colorado
<br />pOl"tio11 of the Co.loratlo River nasin.
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<br />HISTORICAL R.>:VIEW: Irrigation. cotn.'llenced simultaneously in a small way
<br />in both.' states, New Mexioo in 1879 and Colorado in
<br />4. 1880.'. Cor:struction of New Mexico ditches was rap-
<br />. id thereafter, and oonfined ~o the ensuing thirteen
<br />years. In fact, of the. sixteen present oper-s.ting ditches in. new,
<br />M,!)xico, e.llwen constructed prior "01B94, and .the only Ylo.rk" done
<br />since then oonsists. of three enlargGJ:ls..ts. , , ."..,
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