(1)    Within 30 days after their appointment and qualification the said commissioners shall convene at the courthouse and perfect an organization; and thereupon such park commission shall have the usual powers of such bodies in addition to those hereinafter enumerated, shall use a common seal, make bylaws and choose annually from its members all necessary officers.

   (2)   In any county with a county executive or a county administrator, the county executive or county administrator shall appoint and supervise a general manager of the park system. The appointment shall be subject to confirmation by the county board unless the county board, by ordinance, elects to waive confirmation or unless the appointment is made under a civil service system competitive examination procedure established under s. 59.52 (8) or ch. 63. In any county with a population of 750,000 or more, the general manager of the park system shall be in the unclassified civil service and is subject to confirmation by the county board unless the county board, by ordinance, elects to waive confirmation.

   (3)   The county board shall provide suitable offices where the maps, plans, documents, and records of the commission shall be kept, subject to public inspection at all reasonable hours and under such reasonable regulations as it may prescribe.