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A heavy dashed line with paired dots.
Also known as: Tofukenkai mark, Prefecture border mark
Denotes the boundary of a prefecture on a Japanese topographic map.
Marks the boundary of a prefecture on a GSI topographic sheet.
Contexts: Maps
Heads a graded family in which line weight and dot count fall with administrative rank, so a reader can tell the tier of a boundary without a legend.
Contexts: Maps
A heavy broken line whose dashes are separated by pairs of dots, the heaviest of the boundary lines.
One of the three levels of the Japanese administrative boundary hierarchy, distinguished by the dash pattern of the line.
One of the three levels of the Japanese administrative boundary hierarchy, distinguished by the dash pattern of the line.