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<br />" <br /> <br />-,l'l.','!l, <br />~Ji::;Y <br /> <br />co <br />~l.IJ <br />l.IJ <br />C\l <br />'-=:> <br />o <br /> <br />SALT INCREASE FROM IRRIGATION <br />IN THE SALT CREEK DRAINAGE NEAR MACK, COLORADO <br /> <br />1974-1975 Water Year <br /> <br /> SUMMARY <br /> Inflow (Tons Salt) Outflow (Tons Salt) <br />Lateral Number 48 3.300 <br />(one-half of water used <br />Within the basin) Salt Creek 109.550 <br />Mack Wash 22.242 <br />West Salt Creek 331 <br />Government Highline Canal 29.184 <br />East Salt Creek 4.791 <br />TOTAL 59.848 109.550 <br />TOTAL: OUTFLOW - INFLOW 49.702 <br /> <br />The Salt Creek Drainage Basin is monitored by six United States Geological <br /> <br />Survey gauging stations installed in 1973 under contract with the Colorado <br /> <br />Water Conservation Board. The daily discharge in cubic feet per second and <br /> <br />the mean daily specific conductance (U.S.G.S.) are preliminary data subject to <br /> <br />revision. The formulae used to convert this data for each station into tons <br /> <br />salt is derived from the linear regression curves of the following chemical <br /> <br />analysis data taken on a quarterly basis by the U.S.G.S.: <br /> <br /> Dissolved Speci fic <br />Locat i on* Date Sol ids Conductance <br />(near Maak, CO) mg/Z miaromhoB <br />Salt Creek Nov. . 1973 4090 4390 <br /> Feb. . 1974 4210 4710 <br /> Mar. . " 2890 3360 <br /> May . " 1130 1590 <br /> Aug. . " 1290 1860 <br /> Dec. , " 4260 4690 <br /> Mar. , 1975 3760 4420 <br /> May . " 827 1170 <br /> Aug. , " 1340 1690 <br />