12 clues for "MTS":
- Map abbreviation
- Peaks Abbreviation
- Atlas ref.
- Everest and Etna Abbreviation
- Everest and Rainier (abbreviation)
- McKinley, Hood, et al. (Abbreviation)
- Range components abbreviation
- Rockies Abbreviation
- Rockies or Alps (Abbreviation)
- The Rockies Abbreviation
- The Rockies, for example (Abbreviation)
- Washington and McKinley (Abbreviation)