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ON THE STRATIGRAPHY OF UPPER HUANGHO AND NANSHAN REGIONS
作者姓名:孫健初
作者单位:Geological Survey
摘    要:In the spring of 1934,Mr.T.F.Hou and the writer were instructed bythe Geological Survey of China to explore the provinces of Kansu~1 and Ninghsiawith a view to extending the geological map~2 of Suiyuan.They left Peiping onthe 7th of May and arrived in Kansu on the 19th.A few days later they

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