Mich. Comp. Laws § 322.391
Primary school, swamp, tax homestead and other lands; sale for right of way, price.
The public domain commission is hereby authorized and empowered to sell and dispose of any primary school, swamp, tax homestead or other lands held by the state subject to the control of the said public domain commission, in pieces or parcels of less than a legal subdivision, to any telephone, telegraph, transmission o…