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" J oplin ores from Joplin, Mo., to common Kansas smelting points. (6) For nonsulphide ores the treatment charge will be ascertained as follows: From the value of the recoverable spelter in a ton of 2,000 pounds of 40 per cent calamine ore deduct the average... "
Information Concerning Zinc Ore - Página 41
por United States Tariff Commission, United States. Congress. House. Committee on Ways and Means - 1919 - 46 páginas
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Chemical & Metallurgical Engineering, Volumen21

Eugene Franz Roeber, Howard Coon Parmelee - 1919 - 818 páginas
...charge will be ascertained as follows: From the value of the recoverable spelter in a ton of 2000 Ib. medium grade Joplin sulphide ore, 60 per cent base,...the quoted prices for such ore and $1.50 per ton of 2000 Ib. as representing the average freight on Joplin ores from Joplin, Mo., to common Kansas smelting...
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Zinc Ore: Hearings Before the Committee on Finance, United States Senate ...

United States. Congress. Senate. Committee on Finance - 1919 - 42 páginas
...spelter in a ton of 2.000 pounds of 40 per cent calamine ore deduct the average of the quoted prices lor such ore and $1.50 per ton of 2,000 pounds as representing the average freight paid from Joplin. Mo., to common Kansas smelting points. • (5) Wnn/Jire.— On iron ore deduct penalties...
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Tariff Information Surveys on the Articles in Paragraph 1- of the ..., Volumen3

United States Tariff Commission - 1921 - 692 páginas
...follows: From the value of the recoverable spelter in a ton of 2,000 pounds of 40 per cent calamine ore deduct the average of the quoted prices for such ore...of 2,000 pounds as representing the average freight paid from Joplin, Mo., to common Kansas smelting points. (5) Penalties. — On iron ore deduct penalties...
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