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The Silurian sections to be described in the present paper were taken in 1944 along the Szechuan-Kueichow highway from Chumipu, about 12 kilometers north of the Tungtzu city in northern Kueichou, to Kuanyinchiao in the Chichiang dis-
The Silurian sections to be described in the present paper were taken in 1944 along the Szechuan-Kueichow highway from Chumipu, about 12 kilometers north of the Tungtzu city in northern Kueichou, to Kuanyinchiao in the Chichiang dis-