| 1 | This is the Fengning economic development in the major strategy. | |
| 2 | Scene from Beijing 180 kilometres, Froms abundant rather county seat 15 kilometre. | |
| 3 | Many Pb-Zn-Ag deposits are found in the middle north margin of North China Block. | |
| 4 | Petrochemistry and Sr, Nd isotopes of intrusive in Lengshuikeng porphyry type Ag-Pb-Zn deposit; | |
| 5 | Forest coverage rate reached 36.99%, Luan River and Chaohe originated in Fengning is the Beijing-Tianjin ecological barrier and an important water sources. |
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