Trail Creek Caves Site (IMAGE) University of Alaska Fairbanks Caption An aerial view of the Trail Creek Caves site on Alaska's Seward Peninsula. Analysis of a 9,000-year-old tooth from the site has broadened understanding of Alaska's early inhabitants. Credit NPS photo by Jeff Rasic Usage Restrictions Include photo credit information License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.