restrictions: Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.

Original logbook of the Albatross, hydro numbers 5775-5823, 9-20 July 1915. Data recorded include survey and dredge or hydrog number (no.), date, sdg. machine, reel, lead, turns, correction, depth, sdg. cup, amt. bot'm sample, bottom, bottom temperature, number and make of thermometer, correction, bottom reading, corrected temperature, air temperature, surface temperature, density, wind, baromet., clouds, state of sea, weather, direction and force of current, tide, general locality, position, chart used, drift, depth of haul, apparatus and rig used, time towing, deck officer, recorder, sounding wire readings, dredge cable, and general remarks. Locality of collecting was off of the Columbia River and in Grays Harbor off of the Washington coast

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