The Traverse des Sioux Library System (TdS) is one of twelve regional public library systems created in 1975 by the Minnesota State Legislature to provide support services to public libraries. TdS provides services to over 40 public libraries in the following nine counties of south central Minnesota: Blue Earth, Brown, Faribault, LeSueur, Martin, Nicollet, Sibley, Waseca, and Watonwan.

Traverse des Sioux Library System offers the following services to help its member libraries operate more efficiently and to assist their users more effectively:

Region Wide Library Borrowers Card

TdS Regional Shared Integrated Library System

Gateway to Minnesota Academic, Public, School and Special Libraries

Regional Telecommunications Network

Access to Indexes and Databases

Interlibrary and IntraLibrary Loan Delivery

Cataloging and Database Maintenance

Consulting, Continuing Education and Training

Coordination of Summer Library Program and Winter Library Program and other Region Wide Events

Library Advocacy