§ 20. Grants of lands in Onondaga salt springs reservation designated on certain map. All grants of lands made by the people of this state of any lands in the Onondaga salt springs reservation prior to March twenty-eight, in the year eighteen hundred forty-three, shall be deemed and considered as having been granted according to the designations upon the map of said reservation made by John Randel, junior, formerly on file in the office of the state engineer and surveyor and now on file in the office of the department of transportation, and not as designated upon the map of said reservation made by said Randel, formerly on file in the office of the secretary of state and now on file in the office of his department.