British Geological Survey
~70 commodities × producing countries, 1970-present (2023 latest)
Source
Feed (what to expect)
OGC API GeoJSON pull; currently a vendored slice, re-pull from the API to refresh.
Quirks
Fills pre-1994 gaps in USGS MCS; validates via mirror comparison
Reconciliation
Schema
Feeds (axes)
Record kinds
Identifier schemes
