Section 221. County park commission

The board of supervisors shall have
  power to create a county park commission to consist  of  not  less  than
  five  or  more  than seven members who shall be residents of the county.
  The members of such commission  shall  be  appointed  by  the  board  of
  supervisors and hold office during the pleasure of the board or for such
  terms  as  the  board  may  determine.   Not more than a majority of the
  members of any such commission shall belong to the same political party.
  The members of any such commission shall serve without compensation  but
  shall be allowed their necessary expenses incurred in the performance of
  their duties. Within the amount provided by appropriation and subject to
  such  rules  and  regulations as the board of supervisors may prescribe,
  any  such  county  park  commission  shall  have  the  supervision   and
  management of all county parks within the county. All county parks shall
  be  kept  and maintained for the free use of the public, subject to such
  regulations as the board of supervisors may impose.