On OpenStreetMap
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Regions with same name.
Badge of United States of AmericaUnited States of AmericaBadge of TexasTexas Badge of Collin CountyCollin County

Unowned Region

Richardson unruled Richardson

Yet 22 distinct quadrants have been played within the region Richardson.
When? Ruler Mapper
Current Score
For more information about rulers or mappers, look at this Page in our Wiki.

Sibling Regions of Richardson

Played regions on same layer like Richardson so far:
Ruled or Mapped: Badge of PlanoPlano  .
Neither Ruled nor Mapped Sibling Regions until now: Allen, Dallas, Frisco, McKinney, Melissa, Parker, Prosper.