No county with an area of nine hundred square miles or less shall be divided or have any part stricken therefrom, without submitting the question to a vote of the people of the county, nor unless a majority of all the legal voters of the county voting on the question shall vote for the same.
Division of counties
Wis. Const. art. XIII, § 7 — under MISCELLANEOUS PROVISIONS.
Wis. Const. art. XIII, § 7
Division of counties