United States Department of the Interior Geological SurveySegar, Raymond W., 1914-2000Barrs Lake quadrangle topographic map (N4700-W9152.5/7.5) featuring handwritten notations by Ray Segar in ink and pencil regarding logging railroad lines: Minnesota and Northwestern Railroad line (M&NW), the Duluth & Northern Minnesota Railroad line (DMN), and camps in the area of the Cloquet Valley State Forest around Barrs Lake.JPEGengUnited States Department of the Interior Geological SurveyPublicCommunicationBarrs Lake Quadrangle, Minnesota-St. Louis County, 1954: 7.5 Minute Series (Topographic) MapMapsMinnesota--Normanna TownshipMinnesota1954University of Minnesota