Built in 1912 by the Canadian Klondike Mining Company, this floating dredge was the largest wooden-hulled, bucket-line dredge
in North America, working the gravels of the Klondike River Valley, as well as the goldfields for over 40 years.
3] [570-litre] bucket-line dredge
is arguably the most efficient mining method ever developed.
A recent cost/benefit analysis has shown that this bucket-line dredge
is not the best means of obtaining a large gravel sample in this particular environment.
He discusses the different types of dredge and goes on to explain why he thinks that a bucket-line dredge should always be used on alluvial deposits.
Brooks on an |Accident to, and repair of, Dredge 21 at Yuba, California' in which the author outlines the extensive damage done to a bucket-line dredge when the digging face collapsed, and the subsequent $US 4.
For gold and tin in difficult ground, the bucket-line dredge with integral treatment plant is the preferred choice.
3] bucket-line dredge will weigh about 1,200 mt and treat about 200,000 m [sup.
ADL) is the inheritor of the original Lobnitz design of bucket-line dredge.
IHC Holland has been building bucket-line dredges since the end of the 19th century and, in 1979, built the world's largest bucket-line dredge in combination with a Singapore shipyard for offshore tin mining in Indonesia.
As with bucket-line dredges, mooring is by spuds or mooring ropes.
Bucket-line dredges have onboard treatment plants but smaller suction type machines feed separate skid or pontoon-mounted plants.
The remains of the large bucket-line dredge
, "Jungle Queen", can still be seen on Rufin Creek, one of the most profitable creeks on the Benzdorp property.