http://grassrootsmapping.org/2010/11/hku-students-give-it-a-shot-in-beijing/ Stories of community based mapping projects Tue, 05 Feb 2013 23:05:05 +0000 hourly 1 https://wordpress.org/?v=4.9.5 http://grassrootsmapping.org/2010/11/hku-students-give-it-a-shot-in-beijing/comment-page-1/#comment-2963 Fri, 04 Mar 2011 08:55:47 +0000 http://grassrootsmapping.org/?p=682#comment-2963 Note one can also do
orienting with utility pole coordinates
電線桿座標定位
http://jidanni.org/geo/taipower/index.html

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