Please note that if your email has not been added to the University of Maryland ArcGIS Online system, you will not be able to successfully log in and receive an alert as shown below or something similar.
If you have any problem with the Central Authentication Service (CAS), please contact the IT Service Desk at 301.405.1500.
Please contact GIS and Data Services (gisdata@umd.edu) to learn more about the library GIS/Data services and the lab.
