229H　炉(旧523埋)　ⅦC-111　炉内砂層　確認

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229H　炉(旧523埋)　ⅦC-111　炉内砂層　確認

License: Attribution

Time: Jomon Period -14000
Owner Organization: JOMON ARCHIVES; Digital Archives of the Jomon Prehistoric Sites in Northern Japan

Last Updated: 2022-03-25

Uploaded: 2026-02-25