Puerto Rico Hurricane Disaster Relief Mapathon  Thursday, October 5, 2017 3:00-5:30 p.m. Great Hall, Levering  The Johns Hopkins University Sheridan Libraries has organized a pop-up mapathon to offer immediate support to on-the-ground relief efforts in Puerto Rico. In response to humanitarian crises caused by the recent hurricanes, people around the world are contributing to the OpenStreetMap(OSM) to aid in disaster relief. Puerto Rico is […]