1. Pacific Ocean (in four sheets), comprised between the parallels of 37° north and 37° south and extending from the Philippine and Celebes Is., New Guinea and Australia, San Francisco and Easter Island : Maps University Of Minnesota Public content 1912. Great Britain. Hydrographic Office. Relief shown by spot heights and hachures. Depths shown by bathymetric isolines and soundings.; Includes notes. 64 x 97 centimeters, on sheet 69 x ... Hydrographic Office, Admiralty (London).