Section: Social Complexity

Subsection: Specialized Buildings

Irrigation System

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
91	(Anurādhapura IV)	Full Year Range of Anurādhapura IV is assumed. [614, 1017]	present	None
92	(Polonnaruwa)	Full Year Range of Polonnaruwa is assumed. [1070, 1255]	present	None
93	(Great Zimbabwe)	Full Year Range of Great Zimbabwe is assumed. [1270, 1550]	absent	None
94	(Dutch Empire)	Full Year Range of Dutch Empire is assumed. [1648, 1795]	present	None
95	(Anurādhapura II)	Full Year Range of Anurādhapura II is assumed. [70, 428]	present	None
96	(Kingdom of Jimma)	Full Year Range of Kingdom of Jimma is assumed. [1790, 1932]	present	None
97	(Ajuran Sultanate)	Full Year Range of Ajuran Sultanate is assumed. [1250, 1700]	present	None
98	(Early Cholas)	Full Year Range of Early Cholas is assumed. [-300, 300]	present	None
99	(Thanjavur Maratha Kingdom)	Full Year Range of Thanjavur Maratha Kingdom is assumed. [1675, 1799]	present	None
100	(Avar Khaganate)	Full Year Range of Avar Khaganate is assumed. [586, 822]	unknown	None

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