Welbanks, Wallace P.This 1912 atlas provides eleven detailed plat maps showing Duluth streets, divisions, tracts, and additions. A key map in the beginning shows the location of each of the plat maps.JPEGengArchitects & Engineers Supply CompanyPublicWelbanks' Atlas of Duluth, MinnesotaMapsMinnesota--DuluthMinnesota--St. Louis CountyMinnesota1912University of Minnesota