You can use HEC-GEORAs with ...
Published by AHMED OBAIDY, Freelance Water resources specialist
You can use HEC-GEORAs with ArcGIS 10.02 .HEC-GEORAS will prepair data for import in HEC-RAS., or you can use Canadian product Civil Geo software GEO-HECRAS. I can send you example(paper) for that.