Geographic Names Information System
The Geographic Names Information System (GNIS) is a database that conteens name an locative information aboot mair than twa million pheesical an cultural featurs locatit throuoot the Unitit States an its territories. It is a teep o gazetteer. GNIS wis developit bi the United States Geological Survey in cooperation wi the United States Board on Geographic Names (BGN) tae promote the staundartisation o featur names.
The database is pairt o seestem that includes topographic map names an bibliographic references. The names o beuks an historic maps that confirm the featur or place name are citit. Variant names, alternatives tae offeecial federal names for a featur, are recordit an aw. Each featur receives a permanent, unique featur record identifeer, sometimes cried the GNIS identifeer. The database niver remuives a entry, "except in cases o obvious duplication."
- "US Census County Based TIGER/Line® 2009 Data Dictionary: Entity, Joins, Attributes, and Domains". Archived frae the oreeginal on 27 June 2014. Unknown parameter
- Cartographic Users Advisory Council (CUAC) (April 26–27, 2007). 2007 Agency Presentation Minutes. Reston, VA: US Geological Survey. Archived frae the oreeginal on 11 January 2014. Unknown parameter