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| | USBM 1950 - Region VI, Amarillo, TX (Site not responding. Last check: 2007-10-27) |
 | | Region VI of the Bureau of Mines served Arkansas, Kansas, Louisiana, Missouri, Oklahoma, and Texas. |
 | | The Station was strategically located close to the Tri-State Lead-Zinc District near Joplin at the junction of Kansas, Missouri, and Oklahoma, the southeastern Missouri lead belt, and the Fredricktown, Missouri, copper, cobalt, and nickel area. |
 | | A vacuum melting induction furnace was used for melting and casting manganese-copper alloys to minimize the vaporization of the manganese. |
| www.bureauofmines.com /REG_6.HTM (562 words) |
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