Montana Spatial Data Infrastructure (MSDI)
The Montana Spatial Data Infrastructure is made up of fifteen “framework” geographic data themes vital to Montanans for viewing, analyzing, exploring , and understanding its expansive and complex geography. Eight of the themes are federally defined framework themes and the other seven were selected as additional framework layers by the Montana Geospatial Information Advisory Council (MGIAC).
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* Layers marked with asterisks are defined as Framework themes in the National Spatial Data Infrastructure by the Federal Geographic Data Committee.