Potash : significance of foreign control and economic need of domestic development

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書誌事項

タイトル: "Potash : significance of foreign control and economic need of domestic development"

責任表示: by H. M. Hoar ; prepared under the direction of C. C. Concannon, as part of the survey of essential raw materials athorized by the Sixty-seventh Congress

出版者

出版年月

At head of title: Department of Commerce. Bureau of Foreign and Domestic Commerce. Julius Klein, director

"Sources of information": p. 92