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[9] Trapp concluded, "Dirk van Erp is widely considered the most important metalsmith of the Arts and Crafts movement" [10] A copper and mica lamp ca. 1912 - 1915, designed by D'Arcy Gaw and Dirk van Erp, is in the collection of the Metropolitan Museum of Art in New York City. It was donated in 1989 by Charles and Jane Kaufman. [11]
The Engels mine was named after Henry A. Engels, who settled the area in the 1880s and began to mine copper. In 1901 the Engels Copper Mining Company was founded. In 1911 the company built a smelter at China Gulch but was soon prohibited by the U.S. Forest Service which had stewardship over the land that was within the Plumas National Forest.
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Iron Mountain Mine, also known as the Richmond Mine at Iron Mountain, is a mine near Redding in Northern California, US. Geologically classified as a "massive sulfide ore deposit", the site was mined for iron , silver , gold , copper , zinc , quartz , and pyrite intermittently from the 1860s until 1963.
Many copper mines have existed in the Copper Country of the U.S. state of Michigan. These include both large-scale commercial ventures and small operations. These include both large-scale commercial ventures and small operations.
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The town went through boom periods during the two World Wars, when demand for copper went up again. By the time the mines closed in 1946, according to the U.S. Bureau of Mines, they had produced 72,598,883 pounds of copper worth over $12 million (equivalent to $187,000,000 in 2023). No copper mining has been done since.
Hammers, tongs and other tools are found on workshop walls and tables and the copper is heated in a large wood-fired forge.(gmasters329-330) As the region no longer mines copper, the raw material is scrap copper from old autos and cable, which he buys from telephone and electrical companies. [5]