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File:AmCyc Coal Plants - Sphenophyllum Schlotheimii.jpg

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Description
English: Illustration of a fossil plant found in coal: Sphenophyllum Schlotheimii.
Date published 1879
Source The American Cyclopædia, v. 4, 1879, p. 751.
Author Unknown authorUnknown author
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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:AmCyc_Coal_Plants_-_Sphenophyllum_Schlotheimii.jpg

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Date/TimeThumbnailDimensionsUserComment
current01:21, 29 August 2013Thumbnail for version as of 01:21, 29 August 2013360 × 814 (74 KB)Bob Burkhardt{{Information |Description={{en|Illustration of a fossil plant found in coal: ''Sphenophyllum Schlotheimii''.}} |Source=''The American Cyclopædia'', v. 4, 1879, p. 751. |Date=published 1879 |Author=unknown artist |Permission={{PD-1923}} |other_versio...

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