《水经注·卷三》
三封县置于汉武帝元狩三年。
汉武帝元狩三年置。
Sanfeng County was established in the third year of Emperor Wu of Han's Yuan狩 reign.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 汉武帝元狩三年置。 [/INST] Sanfeng County was established in the third year of Emperor Wu of Han's Yuan狩 reign.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 汉武帝元狩三年置。
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Sanfeng County was established in the third year of Emperor Wu of Han's Yuan狩 reign.
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