Copy Reference A Han Dynasty Irrigation System Today
Year:1979 Issue:7
Column: ARTICLES
Author: CHEN RINONG
Release Date:1979-07-01
Page: 40-43
Full Text:
THE Huanghe (Yellow) River, China's second longest, flows out of Qinghai and Gansu provinces and turns north through the Ningxia Hui Autonomous Region. There it forms a calabash-shaped plain 320...
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