File:PSM V73 D562 Bone beds in willbarger county texas.png

Size of this preview: 783 × 599 pixels. Other resolutions: 314 × 240 pixels | 627 × 480 pixels | 1,003 × 768 pixels | 1,280 × 980 pixels | 1,608 × 1,231 pixels.

Original file (1,608 × 1,231 pixels, file size: 615 KB, MIME type: image/png)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

Description	English: Original figure caption: View in Willbarger County, Texas, showing the character of the beds in which the bones occur. Note: “The beds in which the bones occur” correspond to the Clear Fork Formation/Group, Lueders Formation or Waggoner Ranch Formation of modern nomenclature and are of Lower Permian age.
Date	1908
Source	Fig. 1 in: A great Permian delta and its vertebrate life, with restorations by the author. Popular Science Monthly 73, pp. 557–568
Author	E. C. Case

Licensing

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.