Keywords: Yu Chi Thu.jpg en The Yu Chi Thu Map of the tracks of Yu the great the most remarkable cartographic work of its age in any culture carved in stone in +1137 but probably dating from about +1100 from Chavannes The scale of the grid is 100 li to the division The coastal outline is relatively firm and the precision of the network of river systems extraordinary The size of the original which bears the full explanatory text which is now in the Pei Lin Museum at Sian is about 3 ft square The name of the geographer is not known 2009-02-10 own PD-art Original upload log en wikipedia ftcg page en wikipedia Yu_Chi_Thu jpg wikitable - 09 30 18 February 2009 507 × 646 202 759 bytes Hindutashravi w en <nowiki>The Yu Chi Thu Map of the tracks of Yu the great the most remarkable cartographic work of its age in any culture carved in stone in +1137 but probably dating from about +1100 from Chavannes The scale of the grid is 100 lito the devision The coast</nowiki> Uncategorized 2014 January 8 |