Track of the ALBATROSS over Mariana Trench with soundings showing the Nero Deep and the deepest sounding ever taken by the ALBATROSS. In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

Profile of bottom taken by ALBATROSS from Rota, Ladrone (Mariana) Islands to Miaki, a distance of 1250 miles . In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

Map of Marine Deposits, after that of Sir John Murray that was published in the Challenger Reports. Modified by Alexander Agassiz. In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

"Ocean Depths" compiled from the latest sources by Alexander Agassiz. This is the first bathymetric map to correctly show the Mariana Trench. In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

"Ocean Depths" compiled from the latest sources by Alexander Agassiz. This is the first bathymetric map to correctly show the Mariana Trench. In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

Cover of the Preliminary Report and List of Stations obtained during the s scientific expedition of the Albatross to the tropical Pacific.In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

Beginning of discussion on naming of oceanic features by Alexander Agassiz. Agassiz was in a dispute with Alexander Supan of Germany. In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

Discussion on naming of oceanic features by Alexander Agassiz. Agassiz was disputing the nomenclature devised by Alexander Supan of Germany. In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

Discussion on naming of oceanic features by Alexander Agassiz. Agassiz was disputing the nomenclature devised by Alexander Supan of Germany. In: The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

Map accompanying the book "The Deep Sea" by Dr. B. Boguslawski showing the tracks of the principal deep sea expeditions up to 1878 including the Challenger Expedition, the Gazelle Expedition and the Tuscarora Expedition. Depths plotted in meters.

Arctic Ocean showing Wrangel Land. Inset map.

Sea surface temperatures observed in the Greenland Sea during the German North Polar Expedition of 1869. In: Petermann's Geographische Mittheilungen , Plate 11, 1869. Showing isotherms and the course of the German Expedition in the summer of 1868.

Sea surface temperatures observed in the Greenland Sea during the German North Polar Expedition of 1869. In: Petermann's Geographische Mittheilungen , Plate 18, 1869. Showing isotherms, the course of the German Expedition in the summer of 1868, the courses of the ALBERT and BIENENKORB in 1869 and the extent of sea ice encountered by various cruises.

Map of the Northwest Coast of North America produced by William H. Dall of the U.S. Coast Survey. Published in German in Petermann's Geographische Mittheilungen in 1869. Plate 19.

Unpublished smooth sheet of Current Observations taken o the U.S.C.S. Schooner HUMBOLDT between San Francisco and the Aleutian Islands 1871-1872. Observations made by William H. Dall. Includes graphical comparison of air temperature and sea surface temperature, notation on winds, and current direction and velocity.

Russian language chart of hydrographic survey of Barents Sea Russia in vicinity of Kola Peninsula from Longitude 29 E to 40 E and Latitudes 70 30 N to 68 N. Various communications parameters such as telegraph lines and postal stations are also shown. Chart produced by L. L. Breitfus.

Russian Chart of Bering Strait showing Cape Prince of Wales and Port Clarence area. Cape Vostochniy is the easternmost point of Russia and Asia while today's Cape Prince of Wales is the easternmost point of North America.

"Hydrographical Chart of the Arctic Regions Including the Late Discoveries of Captain Ross and Some Original Surveys" by William Scoresby, Junr.

"Discoveries in the Arctic Sea up to 1854" , western half including Longitude 128 W to 89W. Latitude 79 50 N to 65 40 N. British Hydrographic Office.

"Discoveries in the Arctic Sea up to 1854" , eastern half including Longitude 96 W to 67 W. Latitude 79 50N to 65 40 N. British Hydrographic Office.

"Chart of the North Polar Sea" Republication of Brit. Admty Chart No. 260 by U.S. Navy Hydrographic Office. 1877.

Blow-up of seal around North Pole area on "Chart of the North Polar Sea" Republication of Brit. Admty Chart No. 260 by U.S. Navy Hydrographic Office. 1877.

Magnetic Chart of Smith Sound, Kennedy and Robeson Channels North Greenland 1883. Produced by C. A. Schott, Assistant Coast and Geodetic Survey.

"Arctic Sea -- The Channels of North Baffin Bay, between Greenland and North America" prepared at the U.S. Navy Hydrographic Office February 1884.

Sheet 1 of Circum-Polar Chart Arctic Sea north of the Pacific Ocean. U.S. Navy Hydrographic Office, 1882. Chart No. 911a.

"The Arctic Regions with the Tracks of Search Parties and the Progress of Discovery". Produced by the U.S. Navy Bureau of Navigation. 1896.

The Arctic Regions Comprising the Most Recent Explorations of Robert E. Peary, Fridtjof Nansen, and F. Jackson by Prof. Angelo Heilprin. Produced by the Geographical Society of Philadelphia 1897.

Map of the Marine Discoveries of Russian Marine Explorers on the Pacific and Ice-covered Sea Made in Different Years." Produced by His Majesty the Czar's Russian Empire Depot of Charts. Chart also based on observations made by foreign marine explorers (Cook, Vancouver, La Perouse, etc.). Photolithograh made by Library of Congress Hall of Maps and Charts in 1898.

West Coast of North America portion of map described in image map00304.

A tinted Map of the North Polar Region with one view of Wrangel Island. This is a map produced by William Bauman a lithographic artist. The most recent exploration on the map was that of the VEGA in 1878-1879.

"The Arctic Regions Showing Explorations Towards the North Pole" by the J.N. Matthews Co., Buffalo, N.Y.

"The National Geographic Map of the North Pole Regions" showing discoveries and routes of explorers up to 1907.

Blowup of North Pole region of "The National Geographic Map of the North Pole Regions" showing discoveries and routes of explorers up to 1907.

Chart of Route Flown by Lieutenant Commander Richard Evelyn Byrd from Kings Bay , Spitsbergen, to the North Pole on May 9, 1926.

Russian bathymetric map of an area of the Arctic Ocean sounded by the explorer Carl Weyprecht and by the Dutch vessel WILLEM BARENTS. This map was probably produced in the late 1800's.

"Hydrographic Map of the Siberian Sea". Although unattributed, this appears to be data acquired during the voyage of the VEGA across the Northeast Passage from northern Europe to the Pacific Ocean 1878-1879. Leader of the Swedish scientific expedition was Nils Adolf Erik Nordenskiold and the captain of the vessel was Louis Palander, a Swedish naval officer.

"Hydrographic Map of the Kara Sea". Although unattributed, this appears to be data acquired during the voyage of the VEGA across the Northeast Passage be data acquired during the voyage of the VEGA across the Northeast Passage Swedish scientific expedition was Nils Adolf Erik Nordenskiold and the captain of the vessel was Louis Palander, a Swedish naval officer.

Russian map of Arctic Ocean north of Siberia. Longitude from 120 to 137 East. Latitude from 70 30 N to 74 N. Original map apparently produced sometime after 1884 as that is the latest date found on the map.

"Physical Map of the Arctic" translated and revised by the American Geographical Society of New York from map in Andree's Handatlas, 8th Edition, 1924. Published by AGS in 1929.

Stages in the production of the famous basketball bathymetric globe produced by Bruce Heezen and Marie Tharp in their quest to understand the physiography of the seafloor. These models reside in the Library of Congress Geography and Map Division.

Stages in the production of the famous basketball bathymetric globe produced by Bruce Heezen and Marie Tharp in their quest to understand the physiography of the seafloor. These models reside in the Library of Congress Geography and Map Division.

Stages in the production of the famous basketball bathymetric globe produced by Bruce Heezen and Marie Tharp in their quest to understand the physiography of the seafloor. These models reside in the Library of Congress Geography and Map Division.

Stages in the production of the famous basketball bathymetric globe produced by Bruce Heezen and Marie Tharp in their quest to understand the physiography of the seafloor. These models reside in the Library of Congress Geography and Map Division.

Stages in the production of the famous basketball bathymetric globe produced by Bruce Heezen and Marie Tharp in their quest to understand the physiography of the seafloor. These models reside in the Library of Congress Geography and Map Division.

Stages in the production of the famous basketball bathymetric globe produced by Bruce Heezen and Marie Tharp in their quest to understand the physiography of the seafloor. These models reside in the Library of Congress Geography and Map Division.

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