- United States, West Virginia1,816
- United States, North Carolina1,535
- United States, Southern States1,534
- United States, Kentucky1,025
- United States, Pennsylvania1,018
- United States483
- United States, Georgia340
- United States, Tennessee, Anderson County, Coal Creek47
- United States, West Virginia, Harrison County, Owings46
- United States, Colorado, Las Animas County, Ludlow26
- United States, District of Columbia, Washington26
- United States, Pennsylvania, Allegheny County, Pittsburgh20
- United States, West Virginia, Marion County, Farmington20
- United States, Colorado, Denver County, Denver16
- United States, Colorado15
- United States, West Virginia, Marion County, Fairmont15
- United States, West Virginia, Marion County, Monongah13
- United States, Pennsylvania, Schuylkill County, Shenandoah9
- United States, Kentucky, Pike County, Stone8
- United States, Kentucky, Harlan County, Lejunior6
