The mission of Lake Agassiz Regional Library is to link people and communities to resources and experiences for learning and ... enrichment. Our Vision: Exploring the riches of the universe right here at home. Lake Agassiz Regional Library serves the residents of Becker, Clay, Clearwater, Mahnomen, Norman, Polk and Wilkin counties, with branch libraries in Ada, Bagley, Barnesville, Breckenridge, Climax, Crookston, Detroit Lakes, Fertile, Fosston, Hawley, Mahnomen, McIntosh and Moorhead and LINK Sites in Cormorant, Frazee, Gonvick, Halstad, Hendrum, Lake Park, Rothsay, Twin Valley and Ulen. The Regional Office is located in Moorhead, MN. read more