No person shall use and operate a snowmobile in any public park within the Village or upon any public streets and highways or other public lands within the Village and such use and operation is hereby prohibited, provided, however, that this Section shall not be construed to prohibit the use of snowmobiles in the aforesaid designated places by authorized personnel of the Village, the authorized personnel of the Civil Defense Unit of the Village, or the use thereof by authorized personnel of any other governmental body or agency when said use shall be required for emergency purposes. (Ord. 470, 11-22-71)