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banks were developed in that region, all lying on the submerged continental plateau, and extending to its abrupt outer edge. The names of the banks are as follows: Davidson Bank, Sannakh Bank, Shumagin Bank, Albatrass Bank, and Portlock Bank. Many dredge hauls, chiefly with the beam trawl, were made over this area in different depths of water, and much share collecting was also done on the adjacent island and mainland. Leaving this region, a line of  sownding and dredging stations was carried down the coast to the northern end of