Wis. Stat. § 1.055

(1) Consent of this state is given to the acquisition by the United States by purchase, gift, lease or condemnation, with adequate compensation therefor, of such areas of land not exceeding 2,000,000 acres as the United States deems necessary for the establishment of national forests in the state, in accordance with the act of congress approved June 7, 1924, and the board of commissioners of public lands are authorized to sell and convey for a fair consideration to the United States any state lands included within such areas; provided, that this state shall retain concurrent jurisdiction with the United States in and over such areas so far that civil process, in all cases, and such criminal process as may issue under the authority of this state against any persons charged with the commission of any crime within or without said areas, may be executed thereon in like manner as if this consent had not been given. Provided, further, that the boundaries of any areas so selected shall be first approved by the governor, the board of commissioners of public lands, the department of natural resources, and the county board of each county in which any such area is located.

(2) Power is conferred upon the congress of the United States to pass such laws and to make or provide for the making of such rules and regulations, of both a civil and criminal nature and provide punishment therefor, as in its judgment may be necessary for the administration, control and protection of such lands as may be acquired by the United States under sub. (1) .