The original notes of the field work performed under the provisions of this act shall be placed on file in the office of the department of conservation, and a complete record of such work shall also be placed on file and kept in the same book provided by the county for the surveyors’ records, and kept in the office of the county surveyor in any county where such work has been performed, and all corners, boundary and shore lines so established shall be binding on the state of Michigan, and for such purpose shall have the same force and effect as those established by the original United States survey; and such records so made and entered shall be received as evidence in all the courts of this state, wherein any question may arise as to the establishment or identification of such corners, boundary and shore lines: Provided, That nothing in this act shall apply to lands where such corners, landmarks, boundary lines, section and quarter section lines are already properly established.