THE 5-SECOND TRICK FOR HYDROGRAPHIC SURVEY IN BANGLADESH

In the event the wire (set at a specific depth by a method of weights and buoys) encountered an obstruction, it would come to be taut and variety a "V," revealing the depth and position of submerged rocks and also other obstructions.However, in fairly shallow, flat parts, like Those people uncovered alongside the mid-Atlantic coast, the multibeam m