Central Dredging Association a forum for persons and organisations engaged and interested in dredging
	DEMAS dredging consultants b.v. a consulting agency in the field of dredging and erosion control
	Dutch Association of Contractors in Dredging, Shore and Bank Protection (Vereniging van Waterbouwers)
	Verboon Maasland B.V. contracting company in the Netherlands for dredging, hydraulic engineering and earth moving works
	Reference database of international publications on dredging knowledge and related subjects
	A website, predicting the tidal range for the week ahead of many ports around the world
	Input in this Excelsheet of the basic data calculates the characteristics of dredged soil such as water content, weight of dry solids etc.
	This Excelsheet calculates and compares the required weight of stones with the formulae of Hudson and v.d.Meer when the basic data such as wave height and slope angle are filled in.