This is a Sources Sought Notice for the Middle Rio Grande Lower San Acacia Reach Improvements Project Design-Build Contract. It is issued solely for informational and planning purposes and no formal s... This is a Sources Sought Notice for the Middle Rio Grande Lower San Acacia Reach Improvements Project Design-Build Contract. It is issued solely for informational and planning purposes and no formal solicitation exists at this time. Please see attached Sources Sought Notice and draft Statement of Objectives for more information.