Topographical high pts

• Chain units: Abbr.
• Parts of chains: Abbr
• Holyoke and Sinai, e.g.: Abbr.
• The Himalayas, for example: Abbr
• Pts. of a range
• The Rockies, e.g.: Abbr
• Rocky elevs.
• Cartographic abbr
• Rushmore and Everest, for example: Abbr

Wikipedia Word definitions in Wikipedia
MTS or Mts may refer to: