Talk:Qingtongxia

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Latest comment: 2 years ago by Geographyinitiative in topic Ch'ing-t'ung-hsia
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Ch'ing-t'ung-hsia

[edit]

Potential cite:
[1] p 69 "AGRICULTURE The completion of the Yellow River Ch'ing-t'ung-hsia water conservation,[...]"
--Geographyinitiative (talk) 11:05, 24 August 2021 (UTC)Reply