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
61	(Great Yuan)	Full Year Range of Great Yuan is assumed. [1271, 1368]	present	None
62	(Late A'chik)	Full Year Range of Late A'chik is assumed. [1867, 1956]	absent	None
63	(Eastern Han Empire)	Full Year Range of Eastern Han Empire is assumed. [25, 220]	present	None
64	(Iban - Brooke Raj and Colonial)	Full Year Range of Iban - Brooke Raj and Colonial is assumed. [1841, 1987]	absent	None
65	(Sharqi)	Full Year Range of Sharqi is assumed. [1394, 1479]	present	None
66	(Iban - Pre-Brooke)	Full Year Range of Iban - Pre-Brooke is assumed. [1650, 1841]	absent	None
67	(Mataram Sultanate)	Full Year Range of Mataram Sultanate is assumed. [1568, 1755]	unknown	None
68	(Deccan - Neolithic)	Full Year Range of Deccan - Neolithic is assumed. [-2700, -1200]	unknown	None
69	(Chalcolithic Middle Ganga)	Full Year Range of Chalcolithic Middle Ganga is assumed. [-3000, -601]	unknown	None
70	(Avar Khaganate)	Full Year Range of Avar Khaganate is assumed. [586, 822]	unknown	None

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