The Board of County Commissioners of Worcester County may enter into an agreement with the Board of County Commissioners of Somerset County to the effect that if the County Commissioners of Somerset County enter into a contract between said County Commissioners of Somerset County on the one part and an agency or agencies of the United States government on the other part, providing for the dredging and construction of a canal or channel in Pocomoke Sound leading to the mouth of the Pocomoke River, all in Somerset County, the County Commissioners of Worcester County shall indemnify and save harmless the County Commissioners of Somerset County from any and all damages, court costs, counsel fees and other costs that may be payable by the County Commissioners of Somerset County by reason of the dredging and construction of this canal or channel, and the County Commissioners of Worcester County shall pay any costs incurred by the County Commissioners of Somerset County as a result of the dredging and construction of this canal or channel, whether directly or indirectly incurred.