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INTRODUCTION In the winter of 1935 Mr. K. S. Ts’ui and the writer weredespatched by Dr. Wong, Director of the Geological Survey of China, toHonan to study the geology and mineral resources for the mapping of the
INTRODUCTION In the winter of 1935 Mr. K. S. Ts’ui and the writer were planned by Dr. Wong, Director of the Geological Survey of China, to Honan to study the geology and mineral resources for the mapping of the