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<br />44 ....'E,TfPtJ ~0ur<D:'V( W,\TE~ ~L.lLUTI~J 19'76 I!JHPN",IGI~"L BOUI-IDAR, fJ-ID wAH~_ COI.',MIS~ION
<br />
<br />ELECTRICAL CONDUCTIVITY OF WATER SAMPLES
<br />1976
<br />
<br />The r,,110"'1ne tab1..:; shm.r eIe<:t,lcb.l conductlvlt:;. eJ<p,e~~ed lr. mho, per oentl"''''ter.. 106 ~t 25";::. of
<br />1nd.lv1dtiW 'J"ter sIlJllpleo taken..t Colornd,O River ~tllt101l6 and 1n MexiCIIIl C"-I&:; SBl!]ples vere taJo:en I\t the
<br />nc;rthe:rly In~e"T\3tional boun'.1s.ry b;1 ooth Se, tion5 of the C;JnmJ.sslon IIIld at the sOJthe:rl;1 inten'l.8.tione.l oo.md.:>.r:'
<br />b;; the Unlte,1 St~t..s Sectlc,n. CQnctuct1v1.t~ d~tel'1ll1r\Bt1on~ vo:,e lOflde bl the Unl ted St'lte3 C",ologictU Suno:y
<br />SBl!]pl..G for ~he IntM:~ Csnal et .'bre!.:>s ~ em1 ,'lJdU~.l r. .Rr>drlgue~ 0~8in,B Stll~I')~ IIe,e ~aY_en b;' the ).\eJtken
<br />Section of the C~!IIIl16s1on. "-Ild detel"llli""tlons IIe:re me.de oJ the t.l1r.1:;try or IlydnH'11C Re~uurc"6 "r Mexlr.~.
<br />
<br />Ell!ctrl:cul condu"Uvity 15'" rel"U"e 1nd1~el1on of ~h.. cor,centratlol of d1~,..olv~d :;011d.~ 1n the vBt~r
<br />sllIIlples.
<br />
<br />
<br />Colorado River at Northerly International Boundary
<br />
<br />January F~t.~Jh1":; Ap,ll "'; July ~ugu',t. Q~t.ober l1ov"ml.>el
<br />, l,r.>50 >0 1.710 , 1.t.tJ0 " ].51O , 1,470 " 1.4."iI , 1.620 >6 1,1)0
<br />3 1,650 " 1.740 , 1.390 " 1.520 , 1.510 " 1.~!)Q , 1.710 H 1,710
<br />, 1,090 >B 1,120 3 1.390 " J.560 3 1,570 " 1.4(,0 3 1,720 '8 1.780
<br />, 1.580 '9 1.770 , 1,)90 >0 1.ul0 , 1,540 '9 1,410 , 1.820 '9 1.8)0
<br />, 1 .~f.CI " 1.320 , 1.380 " 1.600 , 1.520 " 1.%0 , 1.820 " 1.1360
<br />, 1,550 "- 1.700 , 1.400 "- l,~80 6 1.~80 "- 1.4(,0 6 1.820 "- 1,B20
<br />8 1,5(.,0 " , '" , 1.)';)0 22 1,t,50 , 1,470 22 1.450 , 1.770 22 1.7(:,0
<br />, 1.5'30 '3 1.120 8 1,)00 " 1.WO 8 1 .~::lO '3 1.440 8 1,180 '3 1..'310
<br />>0 ],500 '" 1.5'JO 9 1.41(, '" ].560 9 1,400 '" 1.~30 , 1,770 '" 1760
<br />H 1,600 " 1.560 " 1.400 " , '90 " 1,410 25 \,430 >0 1.7M 25 1,750
<br />H 1.640 " 1.480 n 1,430 '6 1.540 H 1,500 " 1.4)0 H 1.630 " 1.7)0
<br />" 1.65u " 1,410 " 1.390 " 1.530 " 1,440 " 1,450 " 1,630 " 1.710
<br />" 1.640 " 1 ,~50 '3 1.)'10 " 1.540 '3 1.450 " 1.~~ " 1.640 " 1.140
<br />" 1,670 " 1.4)0 " 1.420 " 1.500 " 1.~10 '9 1.~?0 '" 1,610 " 1.730
<br />" 1.090 )-hrch '5 1,)00 3' 1.550 " 1,490 30 1.41:>0 " 1,6)0 3' 1,730
<br />n 1,700 , 1,440 '" 1.)10 3' 1,550 " 1.500 3' 1,470 >6 1.610 Dec=ber
<br />" 1,740 2 1.450 n >.3<30 "- n 1,510 Sept=t>er n 1,620 , 1.720
<br />" 1, 7~j 3 ~ ,4)0 ,0 ~ ,~40 , 1,5"0 " 1.5:W , I.5~0 >6 l,a:'n , 1,100
<br />" 1.670 , 1.43D '9 1.500 , 1,'))0 " 1,~80 , 1,"90 >0 l,6~0 3 ],b70
<br />" 1,65iJ 5 1.450 " 1,540 3 1.5)0 " 1.~80 3 1,480 " 1.650 , 1.590
<br />" 1,i.i,O " 1.~50 " 1510 , 1.540 " l,4E\O " 1,510 " 1.620 5 1.570
<br />23 1.6)0 , 1.4f\Q " 1.4<}0 , 1.~60 " 1.500 5 1.5)0 " l,ti90 6 1.520
<br />" 1.60) 8 1,)00 '3 1.490 6 1,')10 '3 1 .~1O , 1,5)0 " 1.600 , 1.5)0
<br />" 1,620 , 1.470 " 1,460 , 1.51'0 " 1.510 , 1,470 '" 1.620 , 1.520
<br />:<:6 1.03'-' to 1.4~O " 1.450 8 j, .5~O " 1.')00 e 1.400 " 1.650 , 1,')10
<br />" 1,59') H l,4~O 26 1.450 9 1.540 " 1.400 9 1,410 " 1,t,10 " 1.510
<br />" 1.570 " 1.400 " 1.470 to 1,550 " 1.4<>0 to 1.500 " 1.710 H 1,540
<br />" 1,510 '3 1.l+80 " 1470 n -1.520 " 1.470 U 1.390 " 1.740 " ],530
<br />30 1,510 " 1.530 29 1.~50 " 1.510 " 1.4GO " 1.420 " 1.140 '3 1,520
<br />3' 1,')00 " 1.500 3' 1.470 " 1.5~0 30 1.500 '3 1.520 30 1.700 '" 1.5~O
<br /> FebrCl"ry " 1.4<:>0 Job:, " 1.540 3' 1.540 " 1.620 3' 1.720 " 1.510
<br />, 1.500 n 1~70 , , ,,, '5 L510 A'JgU~t '5 1.680 1I0velllber >6 1 ,~OO
<br />, 1,57(1 " 1.4)0 , , .4.')0 " 1.4:10 , 1,550 " 1.1)0 , 1,140 n 1,500
<br />3 1.'2) >9 1.4)0 3 1.400 n 1.4?O , 1.530 n 1.600 , 1.750 " 1.500
<br />, 1,510 " 1.410 , 1.~,'30 " J..')OO 3 1.5)Cl " 1,7)0 3 1.71;,0 '9 1,520
<br />, l,5~ 21 1,1'30 b 1,~h' " 1.~.1O , 1.5J(1 '9 1.720 " J.780 " 1.540
<br />9 1.620 " 1 ,~10 1.500 " -1.5)0 5 1.490 " 1.7)0 i 1. 7~0 " 1,4'>0
<br />, 1.5(<) " 1.~1O , 1.4\)0 " 1,520 0 1.490 " 1.000 1.140 " 1.~70
<br />8 1.r>1'J " 1.400 3 1.510 " 1,520 , :.510 " 1,t,40 , 1.730 " 1.470
<br />0 1.5~ '5 1.4)0 9 1 ')r~1) '3 1.510 3 1.~70 " 1,590 0 1.770 '" 1510
<br />to 1.500 '0 1."20 " 1,510 '" 1.500 c, 1.470 '" 1.~l'0 0 1.760 " ],550
<br />U 1.';;)0 " 1.410 U 1:-50 20;- 1.500 to 1.~50 25 1.':70 to 1.7~0 " 1.5130
<br />" 1.50') " 1 .~11) >2 1.;'30) " 1 _5~O U 1.440 0, 1.240 H 1.710 " 1.710
<br />>3 , .5~O " l.~O:J '3 1 5~u " 1 ~50 " 1.450 " 1020 " 1''-<10 <',3 1.500
<br />" 1.c.\XI 30 1.3no '" 1.500 " 1_550 >3 1.4100 23 1.?f,0 " 1,t,90 " 1510
<br />" 1.6&:1 3' 1.400 " , ')20 '0 1.')40 " 1.'.70 " 1.450 " ].700 3' 1,500
<br /> 30 1 ~,~O " 1 .~30 30 ].5;0 " 1.530 3> 1.510
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