Surveyed in 1929, Amendedin 1937, Issued in 1940
"Den-en-Chofu" 1:10,000 Scale
This map has been copied from 1:25,000 scale topographic maps, 1:20,000 scale official maps and 1:10,000 scale topographic maps issued by Geographical Survey Institute (GSI), Ministry of Land, Infrastructure and Transport, Japan under an approval of the Director General of GSI.
(Approval Number Hei14SouFuku #408)[Letter of Approval (PDF file)]