Places
- Mason County (W. Va.)1
- McKeesport (Pa.)1
- Mineral County (W. Va.)1
- Missouri1
- Monongah (W. Va.)1
- Monongahela River Valley (W. Va. and Pa.)2
- Monongalia County (W. Va.)4
- Morgantown (W. Va.)4
- Mountain Lake Park (Md.)3
- Nicholas County (W. Va.)1
- Pennsylvania1
- Pleasants County (W. Va.)1
- Preston County (W. Va.)1
- Randolph County (W. Va.)3
- Ritchie County (W. Va.)1