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Petroleum wells. Province of Yechigo, Japan. Petroleum, or crude coal oil, is found in the province of Yechigo, Japan. Although the deposit has been known for a considerable time, systematic developmn...
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Petroleum wells. Province of Yechigo, Japan. Petroleum, or crude coal oil, is found in the province of Yechigo, Japan. Although the deposit has been known for a considerable time, systematic developmnet has taken place only within the last fifteen years. The wells are bored by American well-driving machinery and the oil is conducted to storage tanks throught iron pipes, as in this country.
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