Wis. Stat. § 1.09

Be it enacted by the council and house of representatives of the territory of Wisconsin, that the seat of government of the territory of Wisconsin, be and the same is located and established at the town of Madison, between the 3rd and 4th of the 4 lakes, on the corner of sections 13, 14, 23 and 24 in township 7, north, of range 9, east.