File:地図-千葉県山武郡-2006.png

This file is derivated from File:Japan map.png. The source and authors of the original map are as follow:

• Original file: Koba-chan and depending on time of crop perhaps also (see original file): Kon, Rai koku, 赤鉛筆, JYOQ2, 月夜野ほたる, 139, 国鉄115系湘南色, BigBang19, そらみみ and たくやばすけくん
• Original data: National Institute of Geosciences, Ministry of Land, Infrastructure, Transport and Tourism (国土交通省国土地理院（旧建設省 国土地理院))

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