Show WILL RECOMMEND BOULDER DAM DAH BE BUILT AT phoenix ariz march 17 the colorado river commission today wound up its hearings in P and left for a tour of inspection of the site for the proposed boulder canyon dam on the arizona nevada boundary herbert hoover secretary of commerce and chairman of the commission banished all uncertainty as to his attitude toward immediate pro lection of the imperial and yuma valleys from flood dangers when he declared at a dinner here last night that he was prepared to recommend construction at once of the boulder canyon dam secretary hoover suggested at the dinner attended by all the colorado river commissioners that an agreement be entered into by the seven states of the colorado basin and con st ruction of the dam be started at the earliest possible moment his speech indicated that he re ards gards flood control and reclamation as entitled ta to precedence over hydro power lower |