Geographic Ontology Web Site
Buffalo Ontology Site
A draft geographic ontology
from the NCGIA Initiative 21 workshop
Entity type definitions
and
"included types"
from the USGS Spatial Data Transfer Standard (SDTS)
GNIS feature class types
from the USGS Geographic Names Information System
Feature definitions
from the Australian Surveying and Land Information Group
Feature definitions
from the European Community's MEGRIN standard
Index to "Classes"
in ATKIS, the German Cartographic data standard
An index
to many Geographic Information Standards
text
Last updated on October 8 1997