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<br />Upper Colorado River <br />Basin <br />AveraQe Soil Load,Melric tons/day <br />June 19611 - May 1966 <br /> <br />w <br />o <br />o <br />to-" <br /> <br /> <br /> <br />IrrllJoted AQrlculturt <br />37% <br />(8150 T Id) <br /> <br /> <br />Net Runoff <br />~2% <br />(724~4 T/d) <br /> <br />Relative Magnitude of Salinity <br />Sources by River Basins of the <br />Colorado River <br /> <br />Ne' Run ff <br /> <br /> <br />Lower Colorado River <br />Bosin <br />AveraQe Sail Load, Metric Ions I day <br />NovombOl'$63-0ctabOl '964 <br /> <br />Municipal <br />and <br />'ndUllrla' <br /> <br />1% (~8T/d) <br /> <br />1"lvated A,rleultvre <br /> <br />Natural Point Saure.. <br />Gnd W,II, <br /> <br />Municipal <br />(324T/d) and <br />Industriol <br /> <br /> <br /> <br />Upper Colorado <br />River Balin <br />Inflow <br />72% <br />(8920 T/d) <br /> <br />Son Juan River <br />Subbasin <br /> <br />Figure 2. Relative magnitude and sources of salt in the <br />Colorado River Basin (U.S. Environ~ntal Protection <br />Agency, 1971). <br /> <br />3 <br /> <br /> <br /> <br /> <br />~""'" ,-.,',"= ,- <br />