Features

There are 3,141 counties and county equivalents in the 50 States and the District of Columbia. They are categorized as follows: 3,007 entities named "County"16 Boroughs in Alaska11 Census Areas in Alaska (for areas not organized into Boroughs by the...
Proposals to change the name of a natural feature may be submitted to the U.S. Board on Geographic Names as described below. However, there must be a compelling reason. The Board is responsible by law for standardizing geographic names throughout the...
Yes, GNIS actively seeks names of features that no longer exist. There are more than 100,000 such entries in the database now. To search for them, type the word "(historical)" (along with other name words if desired) in the name field. It is advisable to...
The USGS Geographic Names Project maintains an active and extensive program to add features not in the database, primarily through partnerships with Federal, State, and local agencies, and with other organizations having relevant data.The GNIS Web-based...
One might confuse the difference between degrees/minutes/seconds and Decimal Degrees. To convert from decimal degrees to degrees/minutes/seconds with 45.63248 as an example: 1) Subtract 45, leaving only the decimal .63248. Keep 45 for later reference....
All coordinates in the database are in NAD 83. They were converted from NAD 27 in September 2005.  
Often, users of the data can misinterpret the content of certain fields. The field entitled "USGS 7.5' map" may be one of these fields. Upon examination, please note that the entry indicates that the "community" name associated with the named feature is...