Neb. Rev. Stat. § 23-325: Neb. Rev. Stat. § 23-325

The county board shall have power to acquire, take, hold, appropriate, and condemn such real estate as may be necessary for convenience from time to time for the public use of the county; Provided, no appropriation of private property for the use of the county as aforesaid shall be made until full and just compensation therefor shall have been first made to the owner thereof. The procedure to condemn property shall be exercised in the manner set forth in sections 76-704 to 76-724 .