Dredges had replaced the old sand pumps and were operating in the creek beds.
2.
In the 1930s an ambitious project was started to build a guano island in the lagoon using sand pumps imported from the Netherlands.
3.
This was when they built their hydraulic sand pump, a piece of equipment they would later use under contract to the City for the dredging of the Toronto Harbour.
मोबाइल