Places
- Louisville (Ky.)1
- Marietta (Ohio)2
- Marion County (W. Va.)1
- Martinsburg (W. Va.)1
- Maryland1
- Michigan1
- Middle West1
- Mississippi River Valley2
- Monongahela River (W. Va. and Pa.)1
- Monongahela River Valley (W. Va. and Pa.)1
- Morgantown (W. Va.)1
- Moundsville (W. Va.)1
- Mount Vernon (Va.)1
- Mt. Vernon.1
- New Milton (W. Va.)1