File:Alaska patterned ground 1973.jpg

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This is a retouched picture, which means that it has been digitally altered from its original version. The original can be viewed here: PATTERNED GROUND SHOWS ICE POLYGONS (LATTICE OUTLINES) AND TYPICAL SUMMER ARCTIC TUNDRA. PATTERNED GROUND, ICE... - NARA - 550392.jpg: .

Summary

Description
English: Patterned Ground Shows Ice Polygons (Lattice Outlines) and Typical Summer Arctic Tundra. Patterned Ground, Ice Polygons, and Permafrost Are Found Along the Entire Route of the Line, Although They Are Relatively Rare South of the Yukon River. Alaska (US state). Environmental Protection Agency, Project DOCUMERICA.
Date
Source

Patterned Ground Shows Ice Polygons (Lattice Outlines) and Typical Summer Arctic Tundra...08/1973 (https://arcweb.archives.gov/arc/action/ExternalIdSearch?id=550392 Persistent URL).

  • Repository: Still Picture Records Section, Special Media Archives Services Division (NWCS-S), National Archives at College Park, 8601 Adelphi Road, College Park, MD, 20740-6001.
  • U.S. National Archives’ Local Identifier: 412-DA-7907
This media is available in the holdings of the National Archives and Records Administration, cataloged under the National Archives Identifier (NAID) 550392.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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Author Dennis Cowals (1945-)
Other versions

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Licensing

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This image, originally posted to Flickr, was reviewed on 4 May 2011 by the administrator or reviewer Logan, who confirmed that it was available on Flickr under the stated license on that date.

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inception

August 1973

MIME type

image/jpeg

checksum

7351bf5a6d0fe130c278ee2e633e833f147bcfa5

determination method: SHA-1

data size

1,413,910 byte

height

1,932 pixel

width

2,907 pixel

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Date/TimeThumbnailDimensionsUserComment
current22:20, 28 June 2011Thumbnail for version as of 22:20, 28 June 20112,907 × 1,932 (1.35 MB)HohumCropped, colour correction (compared to other Arctic tundra polygons)
00:31, 4 May 2011Thumbnail for version as of 00:31, 4 May 20113,000 × 2,018 (1.06 MB)Logan{{Information |Description='''Original Caption:''' Patterned Ground Shows Ice Polygons (Lattice Outlines) and Typical Summer Arctic Tundra. Patterned Ground, Ice Polygons, and Permafrost Are Found Along the Entire Route of the Line, Although They Are Rela
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