At least thirty days before the next general election of any such district the board of directors thereof may make an order dividing said district into divisions as nearly equal in size as practicable, in number as in this act N.M. Stat. Ann. § 73-8-1 to 73-8-60 hereinbefore specified, and numbered consecutively; one director shall be elected from each such division by the qualified electors of the whole district. For the purpose of election in such district the said board shall establish a convenient number of election precincts and define the boundaries thereof, which precincts may be changed from time to time as the board of directors may deem necessary.