Yellowstone Explorer Remembered (IMAGE) Montana State University Caption Author Kim Allen Scott stands by the grave of Gustavus Doane, a US Cavalry officer who played an important, but overlooked, role in the creation of Yellowstone National Park. Credit Photo by Jay Thane Usage Restrictions None 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.