Sometimes the searchers wade into the sea, furnished with nets at the end of long poles, by means of which they drag in the sea-weed containing entangled masses of amber; or they dredge from boats in shallow water and rake up amber from between the boulders.
A committee, chiefly promoted by the Wurttemberg government and the Stuttgart chamber of commerce, reported in 1901 that it was both desirable and practicable to dredge the river and to canalize it, from Esslingen down to Mannheim, and that the cost would probably be between 2 and 22 millions sterling.
The gravel is excavated as in the ordinary form of endless-chain bucket dredge and dumped on to the deck of the dredge.
This latter portion of the river's course is tortuous, but in spite of this, and although the depth varies from only 7 to 20 ft., and in places at low water does not exceed 4 ft., it is nevertheless navigated by vessels up to 180 tons burden and proposals have been made to embank and dredge it so as to increase this depth to 8 ft.
The dredge often brings up large numbers of nodules formed upon sharks' teeth, the ear-bones of whales or turtles or small fragments of pumice or other volcanic ejecta, and all more or less incrusted with manganese oxide until the nodules vary in size from that of a potato to that of a man's head.
On the other hand, maybe they had settled their differences and he didn't want to dredge it back up again.
Just because my conscious mind doesn't remember doesn't mean my subconscious didn't dredge it up with the steak and onions we had for dinner.
In the estuaries of Essex there are many private or semi-private oyster fisheries, where the method of culture is to dredge up the oysters in autumn and place them in pits, where they are sorted out, and the suitable ones are selected for the market.