Types of named geographic features. Applicable also to many unnamed features but reflects the level of detail traditionally shown on maps, so some feature types specified in scientific studies may not be well represented here. Not highly specific.

Prefix
ftt
Links
Homepage
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in Feature Type Thesaurus should match this regular expression:
^\d+$

Example Local Unique Identifier
273   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from Feature Type Thesaurus should match this regular expression:
^ftt:\d+$

Example CURIE
ftt:273
References
Contributors
Providers

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier 273 is used to demonstrate the providers available for Feature Type Thesaurus. A guide for curating additional providers can be found here.

Name Metaprefix URI
Feature Type Thesaurus ftt https://apps.usgs.gov/thesaurus/term-simple.php?thcode=3&code=273
Bioregistry bioregistry https://bioregistry.io/ftt:273