Announcement: The operation of NSDL has been transferred to ISKME's OER Commons (effective December, 2014) - Read the news release.
This documentation describes the policies, procedures, and services that existed while NSDL was operated by UCAR.
h3. Please be aware that the pages under Metadata and Collections are under construction. In the meanwhile, you may refer to the resources on the \[Participate in the NSDL\|http://nsdl.org/contribute\] page.