USGS
events from 89 MCS 2026 narratives + curated authoritative events (cited)
Source
Feed (what to expect)
Annual - re-extract each MCS edition's commodity prose (LLM lane).
Companion to the usgs_mcs_2026 tables; curated sidecar cited per row.
Reconciliation
Schema
Feeds (axes)
Record kinds
Identifier schemes
