Keywords: Dawson upright fossil.gif An upright tree preserved in the cliffs at Joggins Nova Scotia Source http //www talkorigins org/faqs/polystrate/trees html 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 PD-old Black and white drawings Extinct plant diagrams Sigillaria fossils Joggins Fossil Cliffs |