The 1911 Encyclopædia Britannica states that the vaults under the ziggurat were 4000 BCE, recent scholarship revises the date forward considerably but imprecisely, and casts doubt on the methodology and conclusions of the original excavations of 1880. See Patterns of Occupation at Nippur (1992)Arhivirano 2007-02-06 na Wayback Machine.
The 1911 Encyclopædia Britannica states that the vaults under the ziggurat were 4000 BCE, recent scholarship revises the date forward considerably but imprecisely, and casts doubt on the methodology and conclusions of the original excavations of 1880. See Patterns of Occupation at Nippur (1992)Arhivirano 2007-02-06 na Wayback Machine.