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Missouri Mines State Historic Site occupies Federal Mill No. 3 in Park Hills, Missouri, United States, which processed the lead and zinc ore that was mined in the immediate area for many decades. The site's old power building features a geological and mining history museum and interpretive center focusing on the state's historic Old Lead Belt .
St. Genevieve Gold Vein" is light or medium gray in color, with veins (running from buff to tan in color) running through it. [3] Cross-sections of corals and crinoids can be seen in the Gold Vein type. [3] [2] In the 1910s, it was widely considered the best "marble" found in the U.S. and known for its strength.
The formal geological name for the Lead Belt is the "Southeastern Missouri Mississippi Valley-type Mineral District". It contains the highest concentration of galena (lead(II) sulfide) in the world [2] as well as significant economic quantities of zinc, copper and silver and currently mined sub-economic quantities of metals such as cadmium, nickel and cobalt. [2]
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Gold miners excavate a gold-bearing bluff with jets of water at a placer mine in Dutch Flat, California sometime between 1857 and 1870. Major gold mining in California began during the California Gold Rush. Gold was found by James Marshall at Sutters Mill, property of John Sutter, in present-day Coloma. In 1849, people started hearing about the ...
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By the 20th century, Old Mines was the only area of Missouri where Missouri French remained widely spoken. Linguists began studying the dialect at this time. W. M. Miller, an American professor of French, made investigations in the area in the late 1920s, and reported that the local French dialect was an entirely spoken language.
Mine La Motte is in northern Madison County, 4 miles (6 km) north of Frederickton, the county seat.According to the U.S. Census Bureau, the CDP has a total area of 3.37 square miles (8.73 km 2), of which 0.10 square miles (0.26 km 2), or 2.91%, are water. [1]