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| 2023, Vol. 25(6): 1437-1451 DOI: 10.7605/gdlxb.2023.06.073 | ||
| Interpretation and digitization of geographic information of the Yellow River ancient map: taking the Map of the Lower Yellow River in Shandong Province as an example | ||
| YANG Shengkui1,2 | ||
| 1 Center for Historical Geographical Studies of Fudan University,Shanghai 200433,China; 2 Zhengyuan Geographic Information Group Co. LTD,Beijing 101399,China |
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| Received 2022-07-14 Revised 2022-12-02 | ||
| Supporting info | ||
| null | ||
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