Map showing the location of several of the small rift basins int eh Havre Trough . The largest is the Ngatoro Rift (A1-A-5).

A 3-D image of Brothers Volcano as viewed looking to the NW. The cone in the left center rises about 350 above the calderal floor to a depth of about 1,100 meters below the sea surface. An extensive hydrothermal field occurs atop this cone and almost on the summit of the smaller cone on its flanks. .

3-D image of the floor of the northern Gulf of Mexico. This image was derived primarily from NOAA EEZ mapping project multi-beam datasets and earlier single -beam datasets.

Chart of Track of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy. Commanding. This was one of the earliest cruises conducted primarily for observing oceanographic phenomena, including currents, winds, water temperature, and finding and/or disproving vigias. Senate Executive Document No. 59. 33rd Congress, 1st Session.

Title block and legend to chart of Track of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy. Commanding. Senate Executive Document No. 59. 33rd Congress, 1st Session. Chart of Track of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy Commanding.

Southeast corner of chart of Track of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy. Commanding. Senate Executive Document No. 59. 33rd Congress, 1st Session. Chart shows currents, winds, limit of depth observations, air temperature, water surface temperature, station locations, etc . The Le Pacifique was location of an observed earthquake in the Volcanic Region

Blowup of Volcanic Region (Supposed) showing various vigias (supposed islands or reefs that were reported to pose hazards to navigation) as well as oceanographic and meteorological phenomena. Chart of Track of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy. Commanding. Senate Executive Document No. 59. 33rd Congress, 1st Session.

Anfitrite Breakers vigia. No indication of a shoal or other feature in the area. Main search is east-west as it was assumed that latitude would have been more accurate than longitude as observed by reporting ship. In: Report and Charts of the Cruise of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy. Commanding. Senate Executive Document No. 59. 33rd Congress, 1st Session.

Dyet Rocks vigia. No indication of a shoal or other feature in the area. In: Report and Charts of the Cruise of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy. Commanding. Senate Executive Document No. 59. 33rd Congress, 1st Session.

The Rocas islands and atoll. This is the only Atlantic atoll and was positioned by Samuel Phillips Lee, commanding officer of the U.S. Surveying Brig DOLPHIN. In: Report and Charts of the Cruise of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy. Commanding. Senate Executive Document No. 59. 33rd Congress, 1st Session.

The Century Atlas topographic/bathymetric map of the World. This map uses a nomenclature for sea floor features different than that of either Supan or Murray but follows Supan's philosophy of naming features for proximity to or association with nearby geographic features in the Atlantic but follows a combination of Murray and Petermann nomenclature for the Pacific Ocean.

A German map of the Arctic Ocean showing the state of geographic knowledge of the Arctic region as a result of expeditions up to the FRAM

Deep sea temperatures observed on the ship William Barents in the Barents Sea in 1880.

Track of the ALBATROSS from Ponapi through the Carolines to Guam. This map was produced by Alexander Agassiz and published in: TheMemoirs of The Memoirs of the Museum of Comparative Zoology at Harvard College, Vol XXVI, No. 1.

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.

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.