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<br />r....:' <br />.' <br />~t.. <br /> <br />~'<1 <br />., <br /><-'j. <br />~1 <br /> <br />".'.J <br />~..:'. <br />~:'. <br /> <br />."-:1 <br />rJ <br />:1 <br /> <br />~;~1 <br />':.:j <br />\j <br /> <br />F;~ <br />;)~ <br />~~,;~ <br /> <br />!.~;~ <br />~::"'i <br /> <br />~.:'-j <br />,.., <br /> <br />~:.~~-: <br /> <br />fj~~ <br /> <br />i:._ <br /> <br />~~ ,;;i <br /> <br />7:'-,'1 <br /> <br />;.:.j <br />".:',-; <br /> <br />r....." <br />r.::,. <br />~, -I <br />,"or,; <br /> <br />~~ <br /> <br />i;. <br /> <br />CHAPTER I <br /> <br />INl'RODUCTlOO <br /> <br />water as a geyser but does not flow between eruptions. The hole was drilled <br />in 1937 to 406 feet; however, information about the well is meager. The <br />gushing effect may be caused by carbon dioxide. The hole reportedly produced <br />lOO,OOO to 250,000 cubic feet of carbon dioxide per day during initial <br />drilling. <br /> <br />Of the 422,000 tons of salt contributed annually to the Colorado River <br />system from the study area, about 274,000 tons are attributed to on-farm <br />sources, about l48,000 tons are attributed to off-farm sources, and less than <br />1 percent is attributed to saline flows from abandoned oil and gas wells. To <br />date, three drainages in the study area have been examined in greater detail. <br />These include Cottonwood Creek, unnamed Gulch, and Alum Gulch. Of the <br />off-farm sources for the entire study area, an estimated 28,000 tons are <br />attributed to these three drainages. <br /> <br />3 <br /> <br />~oa929 <br />