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<br /> <br />390 <br /> <br /> <br /> <br />I <br />~/ i ---{, <br />i--/~ I~' -, <br />r--~-::j \ \:--- "'-- <br />I ~-- 1. -----~C/ r-- <br />.----t--' I ' I <br />, \.' "-..----\~- \ <br />380 c:.---"'~------- ~-----j "") \ i <br />.~ \. ' <br />.-. --- ,.,-v'...J <br />: ~,/' I ') - <br />y , ' I: _____-1 <br />~- _______-L__~l, i ! ~ <br />. ' l'-,.-,: '( <br />;/"'-1 I' ~ <br />'/.--..,-~--'-"-----~---' <br />) ( , ,-' <br />_-C.._e__l _~~.JLQ <br /> <br />EXPLANATION <br />----- COUNTY BOUNDARY <br />- HYDROLOGIC CATALOGING <br />UNIT BOUNDARY <br />NOTE: Solid lines and dashed lines <br />define county cataloging Wlit <br />bOlmdaries. <br /> <br />o <br />I <br /> <br />25 <br />I <br />I I <br />25 50 <br /> <br />50 75 100- MILES <br />I I I <br />I I <br />75 100 KilOMETERS <br /> <br />o <br /> <br />Figure 2.--County, hydrologic cataloging unit, and county <br />cataloging unit boundaries. <br /> <br />Organization of Data <br /> <br />The principal organizational tool for classifying water-use data is the <br />water-use category, Seven water-use categories are used in this report: <br />commercial, domestic, industrial, irrigation, livestock, mining, and power <br />uses. For each category, data on source type (ground water or surface water), <br />water-supply method (self-supplied or public-supplied), and disposition type <br />(consumptive use or return flow) were collected. Additional data relevant to <br />water use also were gathered; for example, population served by public-supply <br />systems, irrigated acreage and method of irrigation, electricity generated by <br />power plants, and conveyance losses in distribution systems. In this report, <br />water-use data are organized by water-use category, and source and disposition <br />information are presented primarily within the sections of the report dealing <br />with each category; however, a brief discussion of source and disposition <br />information is first presented. <br /> <br />5 <br />