Uluburun excavation (IMAGE) Washington University in St. Louis Caption Uluburun excavation images showing copper oxhide ingots. Credit Cemal Pulak/Texas A&M University Usage Restrictions Use with credit to Cemal Pulak License Original 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.