Mich. Comp. Laws § 486.59
Every such corporation organized as hereinbefore prescribed, shall have the following powers and be subject to the liabilities and restrictions following, that is to say:
First, To cause such examination and surveys for the proposed improvements whether of dams, canals or digging or deepening of channels to be made, as may be necessary to prepare for the work to be done;
Second, To purchase and by voluntary grants and donations to receive, enter upon, take, hold and use, all such lands and real estate and other property as may be necessary for the construction, maintenance and operation of dry docks, canals and all other works proposed in the approved plans of such company, and to lease, mortgage or otherwise dispose of real or personal property;
Third, To divert into any canal excavated or constructed under the provisions of this act, water from Lake Superior or St. Mary's river to flood lands belonging to said company, subject to the consent of the board of supervisors of the proper county in which waters so diverted are situated, and to erect such docks in Lake Superior or St. Mary's river as may be necessary or convenient for the purpose of such company.
MCL 486.59