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Summary

Description
English: Estimates of the absolute minimum, average minimum, average maximum, and absolute maximum extent of sea ice in the Arctic as of the mid 1970s. Also shows the approximate drift of the sea ice.
Date
Source Polar Regions Atlas, CIA, page 12.
Author United States Central Intelligence Agency

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Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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May 1978

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current02:09, 25 September 2007Thumbnail for version as of 02:09, 25 September 2007837 × 992 (1.44 MB)StephenHudson{{Information |Description=Estimates of the absolute minimum, average minimum, average maximum, and absolute maximum extent of sea ice in the Arctic as of the mid 1970s. Also shows the approximate drift of the sea ice. |Source=Polar Regions Atlas, CIA, p

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