North American Industry Classification System 2022SPE-PRMS petroleum and mineral reserve classification taxonomy
NAICS 2022 21 to Mining Reserve Classification
Crosswalk mapping from NAICS 2022 21 "Mining, Quarrying, and Oil and Gas Extraction" to Mining Reserve Classification. 3 official equivalences.
NAICS 2022 21 in Mining Reserve Classification
Each entry is an official equivalence edge. Click to see the full Mining Reserve Classification definition, hierarchy, and its own crosswalks.
- dmr_contbroadContingent Resources (Discovered, Sub-commercial)
- dmr_prospbroadProspective Resources (Undiscovered)
- dmr_resbroadReserves (Commercially Recoverable)
Reverse direction: Mining Reserve Classification to NAICS 2022
About NAICS 2022 21
21 Mining, Quarrying, and Oil and Gas Extraction