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
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
計榮森,潘鍾祥.1933. ON THE EXISTENCE OF THE SHUANGTSüAN SERIES AND ITS TRIASSIC FLORA IN HSISHAN OR THE WESTERN HILLS OF PEIPING[J]. ACTA GEOLOGICA SINICA(English edition),12(0):
