Original logbook of the Fish Hawk, 8 November 1892 to 24 March 1893, station record numbers 1809 to 1828. "Record of dredging, temperature and density" data include station number, date, time of day, time of tide, locality, exact position, depth, nature of bottom, dredging instrument used, direction of (drift, distance), temperature of (air, surface water, at depth of, at bottom), density at (surf
- द्वारा Original logbooks of the "Fish Hawk" United States Fish Commission station records
- अधिकार: CC0