...The bottom rock is the akose of Brongniart, or granitic grit, and several conical hills of trap have burst through it...
David Livingstone 「Missionary Travels and Researches in South Africa」
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...The bottom rock is the akose of Brongniart, or granitic grit, and several conical hills of trap have burst through it...
David Livingstone 「Missionary Travels and Researches in South Africa」
便利!手書き漢字入力検索