Spatial Coverage
- Loudoun County (Va.)2
- Madison County2
- Madison County (Va.)2
- N. Carolina2
- Northampton County2
- Northumberland County2
- Nottoway County (Va.)2
- Ohio2
- Page County (Va.)2
- Pendleton County (W. Va.)2
- Prince Edward County (Va.)2
- Prince George's County2
- Prince William County (Va.)2
- Pulaski County (Va.)2
- Randolph County (W. Va.)2
- Rappahannock River2
- Richmond Region (Va.)2
- South Atlantic States2
- Stafford County2
- Stafford County (Va.)2
