Ohio Rev. Code Ann. § 315.26

When ordered to do so by the board of county commissioners, the county engineer shall transcribe any dilapidated maps and the records of plats and field notes of surveys from the records of the court of common pleas, probate court, or any other court, or from the office of the county auditor, county recorder, or other office in the state where they may be procured, into suitable books, which shall be placed among the records of the engineer's office and made a part of such records, and they shall have the same validity and legal effect as similar records in his office.