Spatial Coverage
- Harlan County6
- Middle Atlantic States6
- Montgomery County6
- New Jersey6
- Tazewell County6
- U.S.6
- West Virginia.6
- Wise County6
- McDowell County5
- Mecklenburg County5
- Pennsylvania5
- Richmond (Va.)5
- Russell County5
- Botetourt County (Va.)4
- Charles County4
- Chesapeake Bay Region (Md. and Va.)4
- Fauquier County4
- Frederick County4
- Giles County (Va.)4
- Halifax County4
