Chronological Distribution
possible pre Old Akkadian period (before 2300 BC)	___
Period of Puzur-Sushinak (circa 2150-2100 BC)	___ ___ ___ ___
End of the 3rd millennium BC	___
Period of Eparti II and Shilhaha (circa 1950 BC)	___
Period of Zemt-Akone I (circa 1920-1900 BC)	___