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<br />EASIC 3TI1DIES
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<br />availat....e ""or -,he :1...... ~feB:-: .....<55-66 cover:ng he- d.ev€-...op~en~ p~riod. The
<br />a..:::our.' of rli. sol'li"d ~o.ids (a,:; :!l'?asured in B.l.g 3ru:iy Creek) picke-d up
<br />1'rom proJe"'" land, IV'.' VBr-if.'d -:onsiderably ov~!" .n- J'-'ar~ 1 tJei:-:.g high ~he
<br />:~ir"s' :.. ye8r:~. lo'W .h, :.<O'xt:" years, sli&hr.ly higher the nex":. years,
<br />and higher 'he 1,_ yeaY's. Ther. he 1\15c been 8. ..ar1R'Ll. in +he num-
<br />ber of 8:T',;-5 ;'rri~~" ':1, in '_he availablE '.m,'eel" ,;upply, and .n the dissolved-
<br />;olids ::'ncrea3e~ !l_ rle.... land is brough' undo:: r irrigation. Leaching of the
<br />::lore solutlc salrJc f'rnm "0""1y irrigated land tak~ place rapidly. As time
<br />pBs.~er- ',he a'llour,' of'mat !"i&l l~B,:hed decreB:;'~ ~::"_;'l 6. balan~e L achieved
<br />be.......een sa}' l:uildup and .:.t'a~hing rat.es. For 'xflmpl, . during the:.;. years
<br />1S<5, 'hro\ig.1-:i 1,61.irr~e:'"3' '.1 '[",-,age 'l,,18S l-el[i'.:.';'~'J..Y ~on:';'an:_ If. during
<br />+he fir.:' Yl.ar:;, i'- ,,;; a" ..u:;;,::d ',ha~ ini'ia.i. 'a':hing 1.;a,; .,eking place,
<br />:n'::n :..he lru' Y~3r: 1:"09.:. r~~pr--~>"n~ '_he nQ~d 'ii. .~olv'.d- iolids pi:kup of
<br />~:-:,o' .;;;.2 ',)1):0 p1 r ,-, fo:- the~-, lr:riva"ed ia"d::::'. ThL pi::kup may be
<br />ie.... ho'Wever, t 'O..~ (1'l~-inf both 196 and lit()l only a ...:-'h r'"moff ..as
<br />""'n,lable to t'lush r:- unula..j sal':3 ~n"J Bif Jnnd}' Creo:lk. Th. Lncr'-~ase
<br />n he y'~n:,_' ,6.-tJ t! ~lit -...1 prin_' ipnlly QUi':' t.o leac-r.irlg of ,'8ltS
<br />!lccu.mula' 'd '1.y:ring "Il' ,irou'h years, addi1 lon 01 c;O!!l' n.".; lends, and in-
<br />~rease of r.:":..:.r:l flv.....[ due higher moist-ut" lnt.'r:~ of . h., :;'011.
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<br />'T'!-:' r, ....1, of rd: '~d:., ,hmJn in 'he ac:or.lpanyi!l~ '_uble. i:'l;volve
<br />;O!:le "....-..c:pl'; :a'_ion;:. T)rain8g. from som" of one ~rrin:J.t d land does not
<br />reach Big Sandy ~rt.'l.k bu. u ~ons'JIlIed by "ontene:'i-:in.l '."f"'~r.1."ior:.. Some
<br />osses in .r'c':'ticn ," '.. vc~\..;,r be'ween 'h,_' :rr'i~8.ed m-':'a a"d '.he ::k>asuring
<br />pain' on Big ::~nl;j: '1" ek. On t.h':, o'her htlnd, ~"J.t pi';:kup from nonirri-
<br />-ared land;o :.. ;we '~lt;. irrigat.ed 13.,en a: d ~_h17 mea~i1rinE pain' on Big
<br />Sa.ndy Cr,,,"k at"'_ :'-::f 'ct in 'he recOrd~, Th" t:l. lit Jr- j pickup of sal t3
<br />frocJ 'he i r:riga d 1 <n:1 '....auld U:-ldoub+ ejl.~ I)' ,..T,~a r i +~ h( -oLul amount
<br />of I'e'urn flo... '.If'r. :nC'l~l;hJ, b..... ',hi. iC3 of:'. om, ..hFi' t-;,>' tht ph:kup
<br />frot:: 1 he nb me!, ~one(i nonirl'igat, '.1 '9.1'''-'&;:;.
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