If upon the tabulation of said abstracts of the returns of said election as herein provided, it appears that a majority of the votes cast at said election were in favor of the creation of the district, the said county board shall by order entered in the minutes of its proceedings declare the territory included within the boundaries defined in the notice of election duly organized into a reclamation district within the provisions of this chapter, under the name and style theretofore designated and thereafter no other reclamation district including any of the same territory shall be organized under the provisions of this chapter.