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Atlantic Ocean topographic map

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Atlantic Ocean

In 1922, a historic moment in cartography and oceanography occurred. The USS Stewart used a Navy Sonic Depth Finder to draw a continuous map across the bed of the Atlantic. This involved little guesswork because the idea of sonar is straightforward with pulses being sent from the vessel, which bounce off the ocean floor, then return to the vessel. The deep ocean floor is thought to be fairly flat with occasional deeps, abyssal plains, trenches, seamounts, basins, plateaus, canyons, and some guyots. Various shelves along the margins of the continents constitute about 11% of the bottom topography with few deep channels cut across the continental rise.

Wikipedia (CC-BY-SA 3.0)

About this map

Name: Atlantic Ocean topographic map, elevation, terrain.

Location: Atlantic Ocean (13.58187 -38.32036 13.58197 -38.32026)

Average elevation: 0 m

Minimum elevation: 0 m

Maximum elevation: 0 m

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Canada

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United States > Illinois

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Canada > New Brunswick > Saint John

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Kansas

United States

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Australia > Western Australia

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Brazil > Roraima

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United States

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Saint Lawrence River

Canada

Average elevation: 284 m

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Canada > Ontario

Average elevation: 235 m

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Australia

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Prince Edward County

Canada > Ontario

Average elevation: 96 m

Brockville

Canada > Ontario

Average elevation: 98 m

Nose Hill Park

Canada > Alberta > Calgary

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Spokane

United States > Washington > Spokane County

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United States > Florida

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