The U.S. Board on Geographic Names does not define the extents of geographic regions, nor are they recorded in Geographic Names Information System (GNIS). The names and boundaries of regions are application-driven; that is, defined by a specific entity on a case-by-case basis according to a specific need, characteristics, or perception.
Individuals might agree on the core of a region, but the outer extent will vary. The criteria or application would have to be defined, such as physiographic, ecological, political, cultural, and other applications.
Regional definitions applied by any organization reflect their particular needs, not a government standard.
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What is the Geographic Names Information System (GNIS)?
The Geographic Names Information System (GNIS) was developed by the U.S. Geological Survey (USGS) in cooperation with the U.S. Board on Geographic Names (BGN), which maintains cooperative working relationships with State Names Authorities to standardize geographic names for Federal use. GNIS contains information about the official names for places, features, and areas in the 50 states, the...
What is the difference between "mountain", "hill", and "peak"; "lake" and "pond"; or "river" and "creek?"
There are no official definitions for generic terms as applied to geographic features. The Geographic Names Information System (GNIS) utilizes 43 broad categories of feature classes defined solely to facilitate retrieval of entries with similar characteristics. Go to GNIS Domestic Names Feature Classes to see the full list. These categories generally match dictionary definitions, but not always...
How can I acquire or download Geographic Names Information System (GNIS) data?
Geographic Names Information System (GNIS) data is available for download via the U.S. Board on Geographic Names website. You can also download names using a query in Search Domestic Names. GNIS includes official names, their location attributes, variant names, and other data, which can be displayed, printed, and downloaded (in csv format) up to a maximum of 2,000 records. GNIS data can also be...
What constitutes the United States? What are the official definitions?
Geographically (and as a general reference), the United States of America includes all areas considered to be under the sovereignty of the United States, but does not include leased areas. On May 14, 1959, the U.S. Board on Geographic Names issued the following definitions, which defined the Continental United States as "the 49 States on the North American Continent and the District of Columbia...
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