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Exchange of ideas and goods with peoples from the Ecuador and Colombia region (likely via a maritime route) seems to have fueled early interest and development. Similar metal artifact types are found in West Mexico and the two regions: copper rings, needles, and tweezers being fabricated in the same ways as in Ecuador and also found in similar ...
Spruce beer – a beverage made using pine needles. Also called pine beer and nettle beer, it was most likely originally brewed by First Nations, and predates the arrival of Europeans. [42] Squash – the people of southern Mexico were the first to grow squash. Squash along with maize (corn) and beans represented the three sister crops of the ...
Pisgah Crater, or Pisgah Volcano, is a young volcanic cinder cone rising above a lava plain in the Mojave Desert, between Barstow and Needles, California in San Bernardino County, California. The volcanic peak is around 2.5 miles (4.0 km) south of historic U.S. Route 66-National Old Trails Highway and of Interstate 40, and west of the town of ...
However, a number of problems have plagued the study of ancient tin such as the limited archaeological remains of placer mining, the destruction of ancient mines by modern mining operations, and the poor preservation of pure tin objects due to tin disease or tin pest. These problems are compounded by the difficulty in provenancing tin objects ...
A map of the Death Valley Railroad running from Death Valley Junction all the way up to the mines at Ryan near Colemanite. The Death Valley Railroad (DVRR) was a 3 ft (914 mm) narrow-gauge railroad that operated in California's Death Valley to carry borax with the route running from Ryan, California, and the mines at Lila C, both located just east of Death Valley National Park, to Death Valley ...
Johann F. Henckel (1678–1744), his library was the origin of the Freiberg Mining Academy. Johann F. Henckel (1756). Kleine Minerologische und Chymische Schriften. Dresden/Leipzig. Saxony had to pay reparations after the Seven Years' War: the mining industry got stronger and the Freiberg Mining Academy was founded (1765).
The "Thousand Character Classic" (千字文), originally titled "The Thousand Character Rhymed Text in Wang Xizhi's Calligraphy (次韵王羲之书千字)," was composed during the Southern and Northern Dynasties period, by Liang dynasty cabinet minister Zhou Xingsi (470-521 AD) under the directive of Emperor Wu of Liang. [2]
Dip circles (also dip needles) are used to measure the angle between the horizon and the Earth's magnetic field (the dip angle). They were used in surveying, mining and prospecting as well as for the demonstration and study of magnetism.