維基百科

File:Usgs map albers equal area conic.PNG

Usgs_map_albers_equal_area_conic.PNG ‎（402 × 170 像素，檔案大細：38 KB ，MIME類型：image/png）

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摘要

描述
English: Condensed explanation of Albers conic-projection maps, converted to PNG format from larger USGS file of GIF format. See enlarged view below, using a wikitable to expand beyond original size.
日期
來源

derivative from USGS image file,

作者 derived from US Government USGS
Other versions

Narrowed image with larger lettering, taller layout, 29% compressed (GIF format):

協議

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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圖中顯示嘅係

成立日

2月 2005

檔案歷史

撳個日期／時間去睇響嗰個時間出現過嘅檔案。

日期／時間縮圖尺寸用戶註解
現時2005年2月17號 (四) 14:22響2005年2月17號 (四) 14:22嘅縮圖版本402 × 170（38 KB）QuadellWorld map projection ([http://erg.usgs.gov/isb/pubs/MapProjections/projections.html source)]{{PD-USGov-USGS}}Category:World mapsCategory:Map projectionsCategory:Map diagrams

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由「https://zh-yue.wikipedia.org/wiki/File:Usgs_map_albers_equal_area_conic.PNG」收