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Show 8fta Sea 8 a Once Lapped Lapp d at al Rookies RookiesOcean HeckleOcean Idea IdeaOcean * Ocean water once covtred covered the theUnited theUnited thUnited United State States * . west of o1 the Rocky Rockymountains Rockymountains Rockmountains mountains according to a 8 r represen representative rrpreseitatlvc < , presen presentaUve taUve tative of the United State States . Geol Geolo ( g gleal gteal ( leal teal survey lIurvey The period when wht > n wa water v " iter " ter covered such arid at'ld atld ' statel states state . aArizona a as asArizona . Arizona wa was . about 39 39000000 88000000 000 ( ) years yearsbefore yearsbefore yearbefore before the dawn of the human race rac |