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Rio Tinto Borax mine and plant, 2012 Rio Tinto Borax mine from ISS, 2013 Borax crystals, Boron Mine. Scale is one inch, ruled at one cm. The Rio Tinto Boron Mine (formerly the U.S. Borax Boron Mine) in Boron, California is California's largest open-pit mine and the largest borax mine in the world, producing nearly half the world's
The area was an important part of what became known as the North Arkansas Lead and Zinc District, and played a role in the development of railroads and modern infrastructure in the area. During World War I the Rush Creek mines were the center of the zinc industry in Arkansas. Ten mining companies operated 13 developed mines within the district ...
Location of Boone County in Arkansas. This is a list of the National Register of Historic Places listings in Boone County, Arkansas. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Boone County, Arkansas, United States. The locations of National Register properties and ...
The following are tallies of current listings in Arkansas on the National Register of Historic Places. These counts are based on entries in the National Register Information Database as of April 24, 2008 [2] and new weekly listings posted since then on the National Register of Historic Places web site. [3]
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Craighead County, Arkansas, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.
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Smithsonite with calcite from the Monte Cristo mine, Rush Creek District, Marion County, Arkansas (size: 11.7 x 9.3 x 5.2 cm Ruins of the New White Eagle Mill, Rush Historic District, Buffalo National River, Arkansas. The best known and most prolific zinc mining region of north Arkansas for many years was the Rush Creek mining district of ...
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