This work was financially supported by Beijing 1:50 000 Liulihe, Panggezhuang, Ancixian regional geological survey Projects of China Geological Survey (grant No. 12120114007701).
ZHAO Yong.2018. The First Discovered Last Glacial Maximum (LGM) Event in the Middle and Lower Region of the Yongding River Basin, Southern Beijing Plain[J]. Acta Geologica Sinica(),92(4):1676-1677
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