That in any county, such as described in Kan. Stat. Ann. § 19-3301, where it is required by the federal government as a condition to the construction of any flood control works as provided in this act, that the said county furnish the necessary lands, rights of way, or easements therefor, the board of county commissioners of said county is hereby authorized and empowered to acquire such lands, rights of way, or easements as may be necessary and said board is hereby authorized and empowered to acquire the same by purchase or by gift or by the exercise of the right of eminent domain, and there is hereby conferred upon the board of county commissioners, of such county the right of eminent domain to be exercised in the manner prescribed by article 2 of chapter 26 of the Kansas Statutes Annotated, and acts amendatory thereof or supplemental thereto.