Minn. Stat. § 103E.295: REVISING ENGINEER'S DETAILED SURVEY REPORT AFTER ACCEPTANCE.

After the final acceptance of the proposed drainage project, the engineer shall revise the plan, profiles, and designs of structures to show the drainage project as actually constructed on the original tracings. The engineer shall file the revised detailed survey report with the auditor. The auditor shall forward the original or a copy to the director as a permanent record.