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
1	(Early Formative Basin of Mexico)	1200 BCE 901 BCE	unknown	None
2	(Early Formative Basin of Mexico)	900 BCE 801 BCE	present	None
3	(Hawaii II)	1200 CE 1390 CE	absent	None
4	(Hawaii II)	1390 CE 1580 CE	present	None
5	(Spanish Empire II)	1716 CE 1814 CE	present	None
6	(Soviet Union)	1923 CE 1991 CE	present	None
7	(Cahokia - Emergent Mississippian I)	Full Year Range of Cahokia - Emergent Mississippian I is assumed. [750, 900]	absent	None
8	(Epiclassic Basin of Mexico)	Full Year Range of Epiclassic Basin of Mexico is assumed. [650, 899]	unknown	None
9	(Ostrogothic Kingdom)	Full Year Range of Ostrogothic Kingdom is assumed. [489, 554]	present	None
10	(Western Han Empire)	Full Year Range of Western Han Empire is assumed. [-202, 9]	present	None

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