Topo Map of Mercury (image) University of Arizona Share Print E-Mail Caption The United States Geologic Survey released this topographic map of Mercury in 2016. The highest elevations are colored red, and the lowest elevations are colored dark blue. Credit USGS Usage Restrictions This visual may only be used in conjunction of reporting/posting of this news release. Credit must be stated as indicated. Share Print E-Mail 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.