Sumerian city dates to Ur III period, built by King Shulgi of Ur III (c. 2095-2047 BC) as a tax-collection and redistribution center for the royal administration.
See:
- http://www.cemml.colostate.edu/cultural/09476/iraq05-083.html
- https://fr.wikipedia.org/wiki/Puzrish-Dagan
- M. Hilgert, Cuneiform Texts from the Ur III Period in the Oriental Institute, Volume 1: Drehem Administrative Documents from the Reign of Shulgi, Oriental Institute Publications 115, Chicago: The Oriental Institute, 1998