acre-foot all-american canal aqueduct arches national park arizona barry goldwater black canyon of the colorado blacks fork blue mesa dam bridge bureau of indian affairs byers canyon california canyonlands national park central arizona project central utah project coachella canal colorado colorado national monument colorado plateau colorado river colorado river aqueduct colorado river compact colorado drainage basins crystal dam curecanti national recreation area dam david brower davis dam de beque canyon dead horse point state park dinosaur national monument dirty devil river dolores river escalante river flaming gorge reservoir fontenelle reservoir gila river glen canyon glen canyon dam glen canyon national recreation area glenwood canyon gore canyon granby dam grand canyon grand canyon national park gunnison river hoover dam hydroelectricity imperial dam kanab creek lake havasu lake mead lake mead national recreation area lake mohave lake powell little colorado river marble canyon mojave desert morelos dam morrow point dam navajo generating station navajo reservoir nevada new mexico paria river parker dam reservoir rio grande roaring fork river rocky mountain national park rocky mountains ruby canyon salton sea shadow mountain dam sierra club sonoran desert taylor park reservoir the arizona republic tributary uncompahgre river united states united states bureau of reclamation united states congress university of arizona utah virgin river westwater canyon williams fork river wyoming