a stamp mill造句

• By 1864, a stamp mill was working in the area.
• The rock was brought to a stamp mill to be crushed.
• The Mohawk Mining Company built a stamp mill in Gay in 1898.
• Harts Mill was probably a mining community named for a stamp mill.
• In 1915, a stamp mill was built.
• A stamp mill settlement about four miles ( 6 km ) away was named Waterman.
• In 1878 a richer deposit was found, resulting in the construction of a stamp mill.
• Properly capitalized as the Congress Gold Company, a stamp mill was built and the mine opened.
• After completing his studies in 1840, he immediately became a stamp mill inspector in the civil service.
• The Bald pulverizer had been started previously and run a short time, but was not a stamp mill.
• Mining operations consisted of at least one shaft, a stamp mill, and some form of amalgamation recovery.
• He formed the California King Gold Mines Co . with speculator's money and built a stamp mill.
• They mined and shipped four tons of ore to a stamp mill in Nevada, receiving $ 900 a ton.
• The museum collection includes mining equipment, a stamp mill, and artifacts related to Gold Hill's early history.
• As was common practice in the Copper Country, the ore was crushed in a stamp mill and concentrated by gravity.
• In addition to the mine, a gravity-powered aerial tramway and a stamp mill were built on the site.
• The remains of a stamp mill that was used to crush the gold ore during mining operations is a popular hiking destination.
• A stamp mill consisted of heavy iron blocks attached to wooden or steel rods that rose and fell in accordance with a horizontal beam.
• A stamp mill " L鴎ke錽en pukkverk " was operational in the same period, but was closed after an accident in 1945.
• This involved vertical hammers powered by a waterwheel in a Stamp mill, of which at least 60 are known to have existed on Dartmoor.