568.15  How constituted.
  The members of the commission shall be selected with reference to their fitness for the duties required and at least one of them shall be a competent surveyor and civil engineer.
[S13, §2900-a12; C24, 27, 31, 35, 39, §10235; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §568.15]