suction dredge वाक्य
उदाहरण वाक्य
मोबाइल
- Currently, suction dredge mining is banned in California until 2016.
- Another option is suction dredges, which vacuum up sand and silt and filter it.
- Soon suction dredges were employed and the mining spread along the lower Peace River.
- Some large suction dredges ( & ) are used in commercial production throughout the world.
- Suction dredging has been used across the Broads to both deepen waterways and remove phosphate-rich sludge.
- Small suction dredges are much more efficient at extracting smaller gold than the old " bucket line ".
- Gold pans and shovels are commonly allowed, but sluice boxes and suction dredges may be prohibited in some areas.
- Substantial suction dredging operations have shown promise, but tend to miss isolated spots which then regrow into larger weed beds.
- Alongside them, a self-propelled heavy duty cutter suction dredge will perform the task of loosening the hard oil and rock formations.
- In 2002, of land on the Little Chetco River were sold to suction dredges, permitted by the General Mining Act of 1872.
- In 1941, Ellicott Dredges also built the dredge MINDI, a 10, 000 HP, 28-inch cutter suction dredge still operating in the Panama Canal.
- Recreational mining, i . e ., small-scale prospecting and mining using gold pans, sluiceboxes, rockers, suction dredges, and metal detectors, is enjoying a resurgence in Alaska.
- Because of the lack of funds in the Associations account Couch took it upon himself to build a suction dredge at his marine ways in Grant.
- Another of her bills, HB 2579, proposed a prohibition on the practice of " suction dredging " by hobby miners in public waters where salmon, steelhead and bull trout spawn.
- Mechanical excavators, airlifts and suction dredges were used in the process of locating the wreck, but as soon as it began to be uncovered in earnest, more delicate techniques were employed.
- As the last of water was pumped out and the suction dredges began removing the soft mud around the bow, the remains of four more individuals were found near the conning tower.
- He expanded and using a rented steam-driven hydraulic suction dredge was the first to pull sand and shell from the Tchefuncte and other rivers to make concrete used in expanding New Orleans.
- Reaching Subic Bay after an uneventful passage, the ship unloaded the explosives and soon received orders to transport a much-needed suction dredge up the Saigon River to Nha Be, through territory largely controlled by the Viet Cong.
- Suction dredging has been used to Mission Bay in Auckland, and was brought to the Planning Tribunal in the case " Haddon v Auckland Regional Council " for violation of the Resource Management Act 1991, and its provisions for kaitiakitanga.
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