All but three of the counties composing S.C. are at least partly in the Pennyroyal region, the exceptions being Edmonson County which is entirely in the Western Coalfield, and McCreary and Whitley counties which are entirely in the Eastern Coalfield.
All but three of the counties composing S.C. are at least partly in the Pennyroyal region being Edmonson County. All but three of the counties composing S.C. are at least partly in the Pennyroyal region being McCreary and Whitley counties. These McCreary and Whitley counties are entirely in the Eastern Coalfield. This Edmonson County is entirely in the Western Coalfield. The Pennyroyal region is the exceptions.