Original logbook of the Fish Hawk, 30 January to 12 March 1903, station record numbers 7446 to 7495. "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 (surface w
- Készítette Original logbooks of the "Fish Hawk" United States Fish Commission station records
- Jogok: CC0