To create an LDC account or to access an existing account, visit the User Login [1] page or the LDC Catalog [2]. 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 [3] page. The Online Transactions [4] page provides step by step information for using your account to join LDC and request data.