From CNN's John Murgatroyd: The churches lining the main road running through the communities of West Virginia's coal mining country may be small, but the faith of the congregations is giant.

Signs outside of nearly every church in Glen Daniel, Naoma and Whitesville, West Virginia, show the force of the community's churches praying as one. One sign reads "My grace is sufficient for you. We are praying." Another urges, "Pray for our miners and families."

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