In submitting the said question to the voters for their approval or rejection, the proposition shall be expressed on said ballot substantially in the following terms:
"Port of .... Yes."
"Port of .... No."
(Giving the name of the principal river port city within such proposed port district; or, if there be more than one city of the same class within such district, such name as may be determined by the board of county commissioners.)
Idaho Code § 70-1107