Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym GNIS is...

GNIS is

  • Global Names Information System
  • Geographic National Information Service
  • Global Ndt Internet Superhub
  • Geglobal Ndt Internet Superhub

More Meanings For GNIS:

  • Global Names Information System
  • Geographic National Information Service
  • Global Ndt Internet Superhub
  • Geglobal Ndt Internet Superhub
  • Geographic Names Information System

GNIS is also in:

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