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<br />, ,~ ~ ~ 9S <br />v' ...' ~; .-.. <br /> <br />-A <br /> <br />-<'''" .;.,-.:l::.._,._. <br /> <br /> <br />, , --" .~, <br /> <br /> <br />'!-" <br /> <br />SELECTED REFERENCES <br /> <br />Boettcher, A. J., 1966, Ground-water development in the High Plains <br /> <br />of Colorado: U.S. Geol. Survey Paper 1819-1,22 p. <br /> <br />Boettcher, A. J., Hofstra, W. E., and Major, T.J., 1969, Water-level <br /> <br />records for the northern High Plains of Colorado: Colorado Water <br /> <br />Conserv'. Board Basic-Data Release 20, 189p. <br /> <br />; <br />McGovern, H. E." 1964, Geo1ogyand grouud-water"resourcesof Washi~ton <br /> <br />County,' Colorado: U.S. Geo1. Survey Water-Supply". Paper ,:1777,-'46 1'. <br /> <br />~; <br /> <br />26 <br />