Shipping costs for A voyage of discovery to the North Pacific Ocean and round the world; in which the coast of North-west America has been carefully examined and accurately surveyed: undertaken by his Majesty’s command, principally with a view to ascertain the existence of any navigable communication between the North Pacific and North Atlantic Oceans ; and performed in the years 1790, 1791, 1792, 1793, 1794 and 1795, in the discovery sloop of war, and armed tender Chatham, under the command of Captain George Vancouver.