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, 09:39, 16 March 2017
*''Japanese/Chinese'': 乾隆検地 ''(Kenryuu kenchi / Qiánlóng jiǎnde)''
The Qianlong land survey was conducted by the government of the [[Ryukyu Kingdom|Ryûkyû Kingdom]] over a thirteen-year period, from [[1737]] to [[1750]].<ref>The survey takes its name from its timing, during the reign of the [[Qianlong Emperor]] (r. [[1735]]-[[1796]]) of [[Qing Dynasty]] China.</ref> It resulted in highly accurate maps of the various districts (''[[magiri]]'') of the kingdom, known as ''[[magiri-zu]]''.
Long poles of bamboo with black & white circular target markers on top were used to provide sight lines for sighting distances, and ''karahari'' (唐針) were used to determine the angles/direction. A ''karahari'' was a circular form labeled with all the zodiac directions. A string was strung across, and this helped determine precisely what direction one was facing.
==References==
*Gallery labels, ''Ryukyu/Okinawa no chizu ten'', Okinawa Prefectural Museum, Feb 2017.
<references/>
[[Category:Ryukyu]]
[[Category:Edo Period]]
[[Category:Events and Incidents]]