There are 2 matches

Collection Authorizer Collection name Reference
30247A. Rees Pyongyang Coalfield (= PGAP 13136) Artinskian - Permian 2 - North Korea Lee (1988)
30249A. Rees N. Pyongyang Coalfield (= PGAP 13134) Sakmarian/Artinskian - North Korea Lee (1988)

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