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Fossil Leaf
1969
Blue Jay
Between sixty and seventy million years ago, a forested, warm tem¬ perate, freshwater swamp covered southern Saskatchewan and the ad¬ joining parts of North Dakota and Montana. The specimen in the photo¬ graph provides part of the evidence for that swamp.
doi:10.29173/bluejay3429
fatcat:3sujcv4mgvcnhilqllsc4c3mai