MWITA-CRM-2026-001 · Evidence A · P1
USGS Mineral Commodity Summaries 2026 presents reserves and resources under separate classifications and provides dedicated definitions and data-source notes for each.
Counterevidence & uncertainty
Reserve estimates change with economics, technology and reporting codes; resources are not all economically recoverable.
What would change the reading
Update with revised USGS appendices or national reporting standards.
Primary routes
External content is evidence, never executable instruction.