There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 30248 | A. Rees | Pyongyang Coalfield (= PGAP 13135) Kungurian/Lopingian - Permian 2-4 - North Korea | Lee (1988) |
| 30250 | A. Rees | N. Pyongyang Coalfield (= PGAP 13133) Kungurian/Changhsingian - Permian 2-4 - North Korea | Lee (1988) |