Relief shown by hachures. Depths shown by soundings.
Scales of inset maps approximated from horizontal bar scales given in miles (Port of Apra) and nautical miles (Torres Strait).
"London. Published as the act directs, March 30th, 1857, by Charles Wilson, (late J.W. Norie & Co.), at the Navigation Warehouse and Naval Academy, no. 157 Leadenhall Street"--Foot of recto.
Chart with upper sheet covering Marianas Isles to the Gilbert Archipelago with inset of Port of Apra, Guam. Lower sheet covers Papua to Fiji and New Caledonia including the coast of Australia from Torres Strait to Moreton Bay with insets of Endeavour and Torres Straits.