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File:Alaska patterned ground 1973.jpg

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原始檔案 （2,907 × 1,932 像素，檔案大小：1.35 MB，MIME 類型：image/jpeg）

這是一張修飾過的圖片，即本圖片是用軟體修改過後的版本。原版圖片來源：PATTERNED GROUND SHOWS ICE POLYGONS (LATTICE OUTLINES) AND TYPICAL SUMMER ARCTIC TUNDRA. PATTERNED GROUND, ICE... - NARA - 550392.jpg。

摘要

描述
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.
日期
來源

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
本影像可以從美國國家檔案和記錄管理局獲得，已經編入ARC識別碼（國家檔案識別碼）550392。

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作者 Dennis Cowals (1945-)
其他版本

For information about ordering reproductions of photographs held by the Still Picture Unit, visit: www.archives.gov/research/order/still-pictures.html

Reproductions may be ordered via an independent vendor. NARA maintains a list of vendors at www.archives.gov/research/order/vendors-photos-maps-dc.html

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授權條款

This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as:
  1. The copyright is in the public domain because it has expired;
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More information can be found at https://flickr.com/commons/usage/.

Please add additional copyright tags to this image if more specific information about copyright status can be determined. See Commons:Licensing for more information.
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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校驗和 繁體中文 (已轉換拼寫)

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斷定方法：​SHA-1 中文 (已轉換拼寫)

資料大小

1,413,910 位元組

高度

1,932 像素

闊度

2,907 像素

檔案歷史

點選日期/時間以檢視該時間的檔案版本。

日期/時間縮⁠圖尺寸用戶備⁠註
目前2011年6月28日 (二) 22:20於 2011年6月28日 (二) 22:20 版本的縮圖2,907 × 1,932（1.35 MB）HohumCropped, colour correction (compared to other Arctic tundra polygons)
2011年5月4日 (三) 00:31於 2011年5月4日 (三) 00:31 版本的縮圖3,000 × 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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