Petition.
A petition signed by one-third or more holders of title or evidence of title to lands within said district who shall be qualified electors thereof, reciting the fact that said district has no bonded indebtedness and praying that said district be disorganized under the provisions of RCW
87.52.010 through
87.52.060, shall be delivered to the secretary of the board of directors of said district or to one of the directors thereof.