core + attic (Attic Area): these terms have been either deprecated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

elevation

Canonical URL: http://schema.org/elevation

Thing > Property > elevation

The elevation of a location (WGS 84).

Usage: Between 100 and 1000 domains
Values expected to be one of these types
Number
Text
Used on these types
GeoCoordinates
GeoShape

Schema Version 3.4