The Sweep Dredge: High Accuracy Dredging Trials Continue
More techniques for dredging thin layers in contaminated waters have been tested on the Ketelmeer in 1996. A summary.
High Accuracy Sanitation Dredging Trials
Private dredging companies and government have joined forces to develop environmentally sound techniques for dredging thin layers in the highly contaminated Lake Ketelmeer, The Netherlands.

