Region
Virginia
Maryland
9
North Carolina
9
Fairfax County
8
Kentucky
8
Loudoun County
7
Montgomery County
5
Spotsylvania County
5
Halifax County
4
Warren County
4
Brunswick County
3
Gaston, Lake, Region (N.C. and Va.)
3
Harlan County
3
Lee County
3
Louisa County
3
Orange County
3
Prince William County
3
West Virginia
3
Arlington County
2
Caswell County
2
Frederick County
2
Letcher County
2
Madison County
2
Mecklenburg County
2
Northampton County
2
Page County
2
Person County
2
Pittsylvania County
2
Rockingham County
2
Stafford County
2
Wise County
2
Appomattox River
1
Blue Ridge Mountains Region
1
Buchanan County
1
Caroline County
1
Charles County
1
Clarke County
1
Colonial Heights
1
Culpeper Basin (Va. and Md.)
1
Essex County
1
Falls Church
1
Fredericksburg Region
1
Granville County
1
Greensville County
1
Harpers Ferry quadrangle
1
James River
1
Jefferson County
1
McDowell County
1
Petersburg
1
Pike County
1
more ...