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<br />lit!::; 7 <br />'cUu." <br /> <br />-. <br /> <br />(ProJo~lliiids)-- <br /> <br />Topography <br /> <br />Exoept for sono fol" flt'.t placos tepoGrt'.phy of the irrir;atod portions <br />of tho aroc. h~s 0. Gentle slopo almost idot'.l ~er irrib~tion. General <br />slopo is northe~st toward the ~rknnst'.s River. Tho So.lt Crock, the st. <br />Churlos Rivor, and the Six lliile Crook cross the terro.ce doposit on thoir <br />way to tho Ar::C\nso.s River. Those stro:lJ:ls break the othorl'liso sr.tooth <br />topo"raphy of tho o.roo.. <br /> <br />DrainaGO <br /> <br />---- . <br />------ <br />--- - --- <br />--~- _. <br /> <br />--Sur~t'.-co.dr:\iliC\;:;e-i3~suf~iCcToilt oxcopt whcro <br />. _:1mpo-&b-cf::by:lj1giiwU:y _gr-c;a:,jcs~:or_~i:rribc.tion di t elle s. . <br />--- -- -- --. --.- - ~-----_._- -- - - . <br /> <br />nuturo.l-runoff'-is--now- - <br /> <br />-.------ <br />----.-... <br /> <br />____u <br />--~-- -. <br /> <br />___0_-__- <br />-"------ - <br /> <br />. <br /> <br />-'- ~~_-=Tho, fi6ht,-'c_GaIlcfy.:o.nd~ioOi"Y-;toxturo of. t he sub so i lc provici'~s~:g~_od-. <br />---:-:;-.d.ral:l!-a:g~ ~-..:.::;\.- :r<.f6iJrvo.ir:-:-(jf~u~d.(j-rgr6und-=wn tor -exi st s- in--tho'.:un~or.:ly~ing--:- -- <br />-gro.voFTromwmch-mo.ny f5.rmers- punp D.. supplomehtCll s-upplyof itriga:non. <br />wator. Wntor frou tho bravol bed druins into the river. <br /> <br />_.-._,-.-- <br />---._--- -.- <br />-. . <br /> <br />Thoro aro SOr:l(; "-reus under tho Collior Ditch toot nuod drc.in.".[;0 , <br />but boco.uso of tho slllP-ll extant of tho eree.S bonefited o.nd the poor <br />quc.lity of s:Jil, no devalopmmt of drc.inc.r;o fo.cilitius o.ru rooo=onded. <br />Othor :J.roas undor the Collior Dit ch ho.vinG sufficient ole~tion abovo <br />tho rivor h:wo so.tieft'.ctory drt'.i11Ubo. <br /> <br />Salinity and o.lJ:alinity <br /> <br />Thero is little or no salinity or alk~linity in the c.roo.. Soil o~ <br />tho torrace deposit contains very littlo sc.lt. Excollent dro.i~bo pro- <br />vents o.ecumul~.tion of sc.lts undor intonsivc irri(;ation. Alon[~ and bo- <br />law the odGo of tho terraco thoro aro soma smc.1l ulknli spots. <br /> <br />S(\1init~' is quite con10n undor tho Collior Ditch. Hoavy subsoil <br />of thoso fiolds hindors leaching. <br /> <br />-.---------- ---------- -- <br /> <br />23 <br />