Over the next 30 years, the 4 municipalities were divided into 12 municipalities as settlements such as Hamad Town and Isa Town grew.
Στα επόμενα 30 χρόνια, οι 4 δήμοι χωρίστηκαν σε 12 δήμους, ενώ οικισμοί όπως η πόλη Χαμάντ και η πόλη Ίσα αναπτύχθηκαν.