Entries for these categories are in the database, but are not available at the public Web site. In response to the 1988 National Cave Management Resources Act, an Interior Department Regulation (43 CFR Subtitle A, Part 37) forbids employees from...
All coordinates in the database are in NAD 83. They were converted from NAD 27 in September 2005. 
The field entitled "Topo Map Name"; indicates the name of a USGS standard topographic map. If the map name is known and entered in this field (data may be entered in other fields also), the query will return the features that are wholly or partially...
There are no official definitions for generic terms as applied to geographic features. Such definitions as exist derive from the particular needs and applications of organizations using them. The Geographic Names Information System (GNIS) database...
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...