Whenever proceedings have been completed under the provisions of this chapter for the taking of land or other property for class I or class II highways the commissioner of transportation shall cause to be recorded in the office of the register of deeds for the respective county where said land or other property is situated a plan of the final taking together with all deeds, if any, received by the state in such taking, which deeds shall make specific reference to said plan, and, if eminent domain proceedings have been had hereunder, a copy of the return of the commissioners showing the highway or any alteration by them laid out as provided in N.H. Rev. Stat. § 230:20 shall be recorded in said registry of deeds.