![US Frontier Counties [1024x642 - 557KB]](https://pic8.co/sh/bVdg3e.png){kind=link}
Quiet, you!
Quiet, you!
A frontier is defined as a community with less than 6 people per square mile.
A frontier is defined as a community with less than 6 people per square mile.
A frontier is defined as a community with less than 6 people per square mile.
Quiet, you!
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