Reports on the Dredging Operations Off the West Coast of Central America to the Galapagos, to the West Coast of Mexico, and in the Gulf of California, Vol. 22: In Charge of Alexander Agassiz, Carried on by the U. S. Fish Commission Steamer Hansen, Hans Jacob Heftet / 2018 / Engelsk
Reports on the Dredging Operations Off the West Coast of Central America to the Galapagos, to the West Coast of Mexico, and in the Gulf of California, Vol. 22: In Charge of Alexander Agassiz, Carried on by the U. S. Fish Commission Steamer Hansen, Hans Jacob Innbundet / 2018 / Engelsk
