Neb. Rev. Stat. § 81-8,122

When the county shall receive an official copy of a survey from a professional land surveyor or from the survey record repository established pursuant to section 84-412 , such copy shall be placed on file in the office of the county surveyor in the county where the land is located. If no regular office is maintained in a county-owned building for the county surveyor, it shall be placed on file in the office of the county clerk.