Section: Social Complexity

Subsection: Specialized Buildings

Irrigation System

Talking about specialized buildings, irrigation systems are polity owned (which includes owned by the community, or the state), no Descriptions IN Codebook (See here)

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Variable	Definition
Polity	The Seshat Polity ID
Year(s)	The years for which we have the data. [negative = BCE]
Tag	[Evidenced, Disputed, Suspected, Inferred, Unknown]
Verified	A Seshat Expert has approved this piece of data.

Variable	Definition
irrigation_system	The absence or presence of irrigation system for a polity.

Actual Data:

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#	Polity	Year(s)	Irrigation System	Description	Edit
81	(Southern Mesopotamia Neolithic)	Full Year Range of Southern Mesopotamia Neolithic is assumed. [-9000, -5501]	absent	None
82	(Ubaid)	Full Year Range of Ubaid is assumed. [-5500, -4201]	present	None
83	(Ur - Dynasty III)	Full Year Range of Ur - Dynasty III is assumed. [-2112, -2004]	present	None
84	(Uruk)	Full Year Range of Uruk is assumed. [-4000, -2900]	present	None
85	(Formative Period)	Full Year Range of Formative Period is assumed. [-7200, -7000]	absent	None
86	(Elam - Shutrukid Period)	Full Year Range of Elam - Shutrukid Period is assumed. [-1199, -1100]	present	None
87	(Papal States - Medieval Period I)	Full Year Range of Papal States - Medieval Period I is assumed. [1527, 1648]	present	None
88	(Papal States - Medieval Period II)	Full Year Range of Papal States - Medieval Period II is assumed. [1648, 1809]	present	None
89	(Exarchate of Ravenna)	Full Year Range of Exarchate of Ravenna is assumed. [568, 751]	present	None
90	(Dynasty of E)	Full Year Range of Dynasty of E is assumed. [-979, -732]	present	None

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