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Kentucky Mine Stamp Mill and museum, near Sierra City, California; 30 stamp mill near Cordova, Ontario; Mining History Illustrations 5 cutaway drawings of mills produced by the Joshua Hendy Iron Works Company during the early 1900s. Western Museum of Mining and Industry The historic "yellow jacket" stamp mill is located here. It is open year ...
The rock was crushed in a four-stamp mill with 600-pound stamps, and a 5-foot (1.5 m) Huntington mill. Two of the above-mentioned mines were free milling and two produced sulfide ore. Five men were engaged on the property at the time, mainly on development work. The owner in 1895 was R.E. Hudson.
Shipping the heavy ore limited the amount of gold that could be produced, so the company built a thirty-stamp mill on site, which opened in early 1899. In 1901, a second mill with 100 stamps was opened to increase capacity further. [1] By the end of 1901, Yellow Aster was producing $120,000 (equivalent to $4,394,880 in 2023) of gold per month. [2]
Crystal Mine was discovered in 1895 and the ten-stamp mill was installed in 1901. [2] Operations were first undertaken in 1901–2, aided by a 20-stamp mill close to the shore at Snettisham, said to have produced approximately $25,000 work of gold.
Exhibits include the crystalline gold Fricot Nugget, weighing 201 troy ounces (6.25 kg), the largest found during the California Gold Rush; a working scale model of a stamp mill over 100 years old, demonstrating the process of extracting gold from quartz rock; and a replica hard rock mine tunnel that allows visitors to better understand California's hard rock mines.
English: The interior of the 100 stamp mill of the Pittsburg Silver Peak Gold Mining Co., Blair Nevada. The mill was built in 1907, closed in 1915 and dismantled by ...
The ores showed free gold, often in very fine masses, implanted in quartz, which resembles that of the nearby Rocky Bar Mine and Massachusetts Hill Mine. [4] The sixteen stamp mill, erected in 1866, had a capacity of crushing about two tons to the stamp daily.
The Wall Street Mill in Joshua Tree National Park was a complete and operable gold ore crushing mill featuring late-19th century two-stamp mill machinery. Consequently, the significance encompasses the mill machinery, the building which houses it, the well which supplied water for the mill's operation, and the well pump.