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ON THE EXISTENCE OF THE SHUANGTSüAN SERIES AND ITS TRIASSIC FLORA IN HSISHAN OR THE WESTERN HILLS OF PEIPING
作者姓名:計榮森  潘鍾祥
作者单位:Geological;Survey;China;Peiping;
摘    要:During the summer of 1932,Y.S.Chi made a detailed study of thegeology of the Mentoukou (门头溝) and Sanchiatien (三家店) area of Hsishan,or the Sanchiatien Sheet~2 of the Ordnance Map in the scale 1 to 25,000.The

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