Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

Roger G. Barry Archives and Resource Center


building frontWe are located on the East Campus of the University of Colorado in Boulder, Colorado.

1540 30th Street, Research Lab 2 (RL-2), Room 258 (library) and Room 260 (archives)

ARC is open from 7:30 a.m. until 4:00 p.m., Monday through Friday

Email us at

Reference this Google map for directions to NSIDC.

NSIDC is located on the second floor of Research Laboratory 2 (RL-2). In front of RL-2, there is a sign facing 30th Street that reads "CU: Research Laboratory No. 2"