Albertson's map of the city of Duluth, St. Louis County, Minn., and vicinity / drawn and engraved by Frederick B. Roe, civil engineer and map publisher.Roe, Frederick B., 1845-1905c1891.Also shows part of Superior, Wis.Includes advertisement.Library's copy missing upper left corner and separated in two sheets at center fold.Oriented with north to upper right.Soundings in feet.cartographic