To create an LDC account or to access an existing account, visit the User Login  page, the LDC Catalog  or LDC Online . Each is a gateway for becoming a member, browsing the catalog and ordering data.
Users can register as a guest, as a new organization or as an affiliate of an existing organization. Each status carries specific privileges described in more detail on the User Accounts  page. The Online Transactions  page provides step by step information for using your account to join LDC and request data.