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It is called the scale ruler.
Graphic Scale
graphic scale It's called the scale.
Graphic Scale is the printed ruler on a map that can be used to measure the distances on the map.
That is the scale of that map.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.