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

• 作者： Hoar, Hannah Marceline Dayle 1870-
• 其他作者：
  • United States bureau of foreign and domestic commerce
  • Concannon, C. C. (Charles Cuthbert) 1889-
• 其他題名：
  • Trade promotion series
• 出版： Washington : U.S. Govt. Print. Off. 1926
• 叢書名： Trade promotion series ;no.33
• 主題： Potash industry and trade
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• 一般註：At head of title: Department of Commerce. Bureau of Foreign and Domestic Commerce. Julius Klein, director Include "Sources of information": p.92.
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• 系統號： 000778709 | 機讀編目格式