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Tonkin Island: Antarctica
SOURCE: National Geospatial-Intelligence Agency, Bethesda, MD, USA
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This page presents the geographical name data for Tonkin Island in Antarctica, as supplied by the US military intelligence in electronic format, including the geographic coordinates and place name in various forms, latin, roman and native characters, and its location in its respective country's administrative division.

Feature Name (see definition): Tonkin Island

Feature Class (see definition): Island

Country Code (see definition): AQ (Antarctica)

Feature ID (see definition): 15388

Primary Latitude in degrees, minutes, and seconds (see definition):
67° 49' 00" S

Primary Longitude in degrees, minutes, and seconds (see definition):
065° 03' 00" W

Primary Latitude in decimal degrees (see definition): -67.8166667

Primary Longitude in decimal degrees (see definition): -65.05

Elevation (see definition): No data

Decision Year (see definition): 01/01/1952

Description (see definition): Narrow, ice-capped island 3.5 mi long in a N-S direction, marked by ice-free peaks at each end, lying 11 mi SE of Choyce Point, Bowman Coast, in Larsen Ice Shelf. The island was discovered and photographed from the air by the U.S. Antarctic Service (USAS) in 1940. It was charted by the Falklands Islands Dependencies Survey (FIDS) in 1947 and named after John E. Tonkin, Falklands Islands Dependencies Survey (FIDS) general assistant at Stonington Island, 1945-47; named Lewis Island by Ronne Antarctic Research Expedition (RARE) following additional aerial photography, 1947. The names Isla Mateo de Toro Zambrano and Isla Riquelme, referring to the N and S parts of this feature shown as two islands, appear on a Chilean hydrographic chart, 1947.

Date Created (see definition): No data

Date Edited (see definition): No data

NOTE: The information regarding Tonkin Island in Antarctica on this page is published from the data supplied by the National Geospatial-Intelligence Agency, a member of the Intelligence community of the Antarctica, and a Department of Defense (DoD) Combat Support Agency. No claims are made regarding the accuracy of information contained here. All suggestions for corrections of any errors about Tonkin Island should be addressed to the National Geospatial-Intelligence Agency.

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