Tactile Map at Portland State University (IMAGE) Portland State University Caption A 3D tactile map of the Portland State University campus, located in the lobby of PSU's student union. Credit Lacey Friedly Usage Restrictions None 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.