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.
Using this form is good for suggesting fewer than ten individual URLs for the library. If you have more than that, you will probably want to consider contributing a collection. This will give your resources more visibility and will allow them to appear together as their own group rather than part of a much larger general collection. You will need to provide your e-mail address (which will be kept confidential) in order to submit this description.