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
11	(Sui Dynasty)	Full Year Range of Sui Dynasty is assumed. [581, 618]	present	None
12	(Yangshao)	Full Year Range of Yangshao is assumed. [-5000, -3000]	unknown	None
13	(Badarian)	Full Year Range of Badarian is assumed. [-4400, -3800]	absent	None
14	(Egypt - Inter-Occupation Period)	Full Year Range of Egypt - Inter-Occupation Period is assumed. [-404, -342]	present	None
15	(Western Han Empire)	Full Year Range of Western Han Empire is assumed. [-202, 9]	present	None
16	(Classic Basin of Mexico)	Full Year Range of Classic Basin of Mexico is assumed. [100, 649]	unknown	None
17	(La Tene B2-C1)	Full Year Range of La Tene B2-C1 is assumed. [-325, -175]	unknown	None
18	(Hallstatt B2-3)	Full Year Range of Hallstatt B2-3 is assumed. [-900, -700]	unknown	None
19	(British Empire II)	Full Year Range of British Empire II is assumed. [1850, 1968]	present	None
20	(Late Qing)	Full Year Range of Late Qing is assumed. [1796, 1912]	present	None

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