File:PotholeLakes.Siberia.L7.20010910.jpg

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DescriptionPotholeLakes.Siberia.L7.20010910.jpg	Landsat image of pothole lakes in Siberia. The different colors of the lakes reflect different amounts of sediment or depth; the deeper or clearer the water, the bluer the lake.
Date	10 September 2001
Source	http://earthobservatory.nasa.gov/IOTD/view.php?id=6034
Author	NASA image, created by Jesse Allen, Earth Observatory, using data obtained courtesy of the University of Maryland’s Global Land Cover Facility.
Permission (Reusing this file)	US government, public domain

Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop 7.0
File change date and time	09:59, 18 November 2005
Color space	Uncalibrated

File:PotholeLakes.Siberia.L7.20010910.jpg

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	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."