Wis. Stat. § 236.32: Penalty for disturbing or not placing monuments.

(1m) Any of the following may be fined not more than $250 or imprisoned not more than one year in county jail for any of the following violations:

(a) Any owner, professional land surveyor, or subdivider who fails to place monuments as prescribed in this chapter when subdividing land.

(b) Any person who knowingly removes or disturbs any such monument without the permission of the governing body of the municipality or county in which the subdivision is located or fails to report such disturbance or removal to it.

(c) Any person who fails to replace properly any monuments that have been removed or disturbed when ordered to do so by the governing body of the municipality or county in which the subdivision is located.

(2m) Each monument to which a violation under sub. (1m) applies constitutes a separate violation.