Minn. Stat. § 97A.137
Subd. 1. Hunting and fishing.
Wildlife management areas are open to hunting and fishing unless closed by rule of the commissioner or by posting under subdivision 2.
Subd. 2. Commissioner may restrict entry to designated areas.
The commissioner may, by posting in accordance with section 97B.001, subdivision 4, designate areas within wildlife management areas that are closed to entry for the purpose of providing areas where disturbance of wildlife can be minimized. A person may not enter an area posted under this subdivision except as authorized by rule or a permit issued by the commissioner.