American sea elephanting schooner hunter Robert S. Graham in 1900

National Oceanic and Atmospheric Administration) (NOAA) Photo Library Working sea-elephants at northeast point, Herd's Island. Drawing by H. W. Elliott after Capt. H. C. Chester

An item reported the American schooner Robert S. Graham returning home in 1900 with 2,600 barrels sea elephant oil and 70 hides, the oil was sold for 39 cents/gallon and the hides each for 2 US dollars.

Source

George M. Bowers. U.S. Commision of fish and fisheries. Part XXVIII. Report of the commissioner for the year ending June 30, 1902. Washington, 1904.