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Pack burro racing is a sport in Colorado, Arizona, California, and New Mexico that is rooted in the various western states' mining histories. [1] In the early days of the mining industry in Colorado, miners would take donkeys (burros in Spanish) through the mountains of Colorado while prospecting. Because the burros were carrying supplies, the ...
The Jeffrey Manufacturing Company, was an American industrial equipment manufacturing company, at one time the largest producer of coal cutting machines and mining locomotives in the world. It was established in 1878 as the Lechner Mining Machine Company, based in Columbus, Ohio , and is credited with producing America's first power-driven coal ...
Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
A steam donkey or donkey engine is a steam-powered winch once widely used in logging, mining, maritime, and other industrial applications. Steam-powered donkeys were commonly found on large metal-hulled multi-masted cargo vessels in the later decades of the Age of Sail on through the Age of Steam , particularly heavily sailed skeleton-crewed ...
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Despite several small mining endeavors beginning in the 17th and 18th centuries, mining did not gain major traction in the United States until the 19th century. [23] In terms of technology, explosives such as black powder were phased out as dynamite increased in popularity as a new mining method in the 19th century. [23]
Mining equipment companies (2 C, 34 P) R. Mining railways (4 C, 32 P) S. Stamp mills (23 P) Stripping shovels (6 P) T. Tailings dams (1 C, 13 P) Pages in category ...