The bow of the ALBATROSS, showing the location of the dredging boom and sounding
machine. In: "Report on the Construction and Outfit of the United States Fish
Commission Steamer ALBATROSS", by Lieutenant-Commander Z. L. Tanner, U. S. N.,
United States Commission of Fish and Fisheries. Part XI. Report of the
Commissioner for 1883. Plate XLII, p.111.