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Show ! NEARLY ALL DOMESTIC TIN MINED IN ALASKA WASHINGTON. Oct. 3. Tin is ono of the few highly useful metals that are practically not produced in the United States proper. The output of tin from domestic ore in 1 91 S was only sixty-eight tons, nearly all of it obtained from placers in Alaska. The tin imported In 1918, as metal and in concentrates, amounted to S2.S54 short tone, the largest quantity yet brought into the country in any one year. Deposits of tin ore are found in California, Cali-fornia, Virginia. North Carolina, South Carolina, South Dakota, Washington, Nevada Ne-vada ami New Mexico, but the ore at some of them eoiuains so little tin that it can not be mined with profit. Tin concentrate from Bolivia was han-lded han-lded at four tin-smelting plantB in this country, which produced from it over 10.000 tons of metallic tin. A report on tin in 191S. by Adolph Knopf, has just been published bv the United States geological survey, department depart-ment of the interior, as a Chapter of Mineral Resources for iyi$, and can b obtained free of charge on application to the director of the survey at Washington. |