Proudly presented by The Natural Canvas, your source for rare and genuine fossils. This is your chance to own a very special moment in time. Each impression tells the story of an ancient lakeshore where prehistoric birds once walked, leaving behind a fleeting step that became immortalized in stone. Fossilized bird tracks from Soldier Summit, found in Utah’s Green River Formation, date back to the Eocene epoch- approximately 50 million years ago. They are preserved in a limestone layer that formed along the shores of the ancient Lake Uinta.