- United States, North Carolina1,533
- United States, Southern States1,533
- United States, West Virginia1,533
- United States, Kentucky1,008
- United States, Pennsylvania1,008
- United States, Georgia339
- United States5
- United States, Alabama, Jefferson County, Bessemer2
- United States, Georgia, Bibb County2
- United States, Georgia, Bibb County, Macon2
- United States, Tennessee, Roane County2
- United States, Arizona1
- United States, Arizona, Greenlee County, Morenci1
- United States, Arizona, Pima County, Tucson1
- United States, New Mexico1
- United States, Tennessee1
- United States, Texas, Comal County1
- United States, Wisconsin, Grant County, Muscoda1
