Michigan Compiled Laws, Chapter 486. Water and Power Companies § 486.307

Sec. 7. Before entering, taking or using any lands for the purposes of this act, the directors of the company shall cause a survey and map to be made of the lands intended to be taken, or entered upon for any of said purposes, and by which the lands of said owners or occupants intended to be taken or used shall be designated, and which map shall be signed by the surveyor or engineer making the same, and by the president of said company, and be filed in the office of the clerk of the county. The company, by any 2 of its officers, agents or servants, may enter upon any lands for the purpose of making any examination and for the purpose of making said survey and map.