Burgess Shale fieldwork site (IMAGE) Royal Ontario Museum Caption ROM Burgess Shale fieldwork site in Yoho National Park, Raymond Quarry, in 1992. Credit Photo by Desmond Collins. © Royal Ontario Museum Usage Restrictions For use with this story only. 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.