The solids-handling capacity of the slurry pumps is the top priority for the engineers. Operators dislike pumps with narrow passages because they often clog, disrupting operations. EDDY Pump’s ...

Sen. Guy Palumbo (D-Maltby) has worked on several sustainability-focused bills this year as vice chair of the Environment, Energy and Technology committee, including clean fuels, solar power, electric ...

Liberia has introduced a permit for gold and diamond dredging, lifting a ban on the mining method associated with pollution. Meanwhile, that is exactly the opposite of what has been done in Ghana, ...

A long-simmering conflict over individual versus public rights has converged on the banks of the rivers of southwest Oregon, stirring resentment between gold miners and environmentalists. In question ...

The practice has been controversial because of noise and concerns about harm to fish habitat and water quality. Suction dredge, or placer mining, is a kind of motorized in-stream mineral extraction.

A bill that aims to improve water quality and protections for endangered salmon by restricting suction dredge mining met with the Senate’s approval Thursday. The bill, HB 1261, would prohibit suction ...

OLYMPIA, Wash.— Conservation groups filed a notice of intent today to sue the state of Washington for allowing highly destructive suction dredge mining in rivers and streams critical to endangered ...

Federal law allows Oregon’s ban on suction dredge gold mining in rivers where salmon spawn, according to a Ninth Circuit ruling on Wednesday against a group of miners who challenged the restrictions. ...

A miner who admitted to using equipment to suck up gold from the bed of a 62-mile-long river in north-central Idaho has been fined $150,000 by a federal judge for failing to receive the proper permits ...

Hundreds of Indonesian fishers have seized a dredging vessel from state-owned PT Timah in protest against offshore tin mining in what they say is their fishing zone. The incident on July 12 is the ...