File:Fossil tree stump in coal mine.JPG

Summary

Description
English: Putting the 'Fossil' in Fossil Fuel Sometimes, the vegetation is preserved in the coal seam, making coal perhaps the most "fossil-y" of fossil fuels. Here, a group of coal miners crowd around a petrified tree stump in 1918.
Date
Source https://media.nationalgeographic.org/assets/photos/000/320/32049.jpg
Author Photograph by J. Horgan, Jr.
Permission
(Reusing this file)
Public domain
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, 1931, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
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Category:PD US#Fossil%20tree%20stump%20in%20coal%20mine.JPG
Category:Fossil tree trunks Category:1918 in the United States Category:National Geographic Society
Category:1918 in the United States Category:Fossil tree trunks Category:National Geographic Society Category:PD-US missing SDC copyright status Category:PD US