Ficheiro:Dawson upright fossil.gif

Summary

An upright tree preserved in the cliffs at Joggins, Nova Scotia.

www.talkorigins.org "Polystrate" Tree Fossils Figure 35 in Dawson, J.W., 1868. Acadian Geology. The Geological Structure, Organic Remains, and Mineral Resources of Nova Scotia, New Brunswick, and Prince Edward Island, 2nd edition. MacMillan and Co.: London, 694pp.

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Source:

http://commons.wikimedia.org/wiki/File:Dawson_upright_fossil.gif