The collection consists primarily of black and white and color photographs by a photojournalist employed by a Duluth newspaper. The photographs are of the city of Duluth, events, people, as well as the northeast Minnesota area primarily from 1971, 1982-1990s; many are not dated and unidentified.

The collection contains handwritten notes on logging and the lumber business, a small amount of correspondence, manuscripts and biographical materials.

The collection consists of approximately 1,240 black and white and color slides of Duluth sites, views, events, and activities from 1955-1973.

The collection contains company records, a small amount of Consolidated log rafting records: summary of operations, production reports, and tug and rafting information. It also holds snapshots and photographs, Hagman's research files, and his hand written drafts of an unpublished book on a general history of log rafting and log rafting by Consolidated Paper Company specifically.

The collection consists of one record of the McDougall-Duluth Shipbuilding Company.

The collection consists of images and negatives made by or collected by Kenneth Moran.

The album is a nearly day-by-day visual log of new construction of a mill at the Duluth waterfront, presumably at 39th Avenue West.

The collection consists of black and white photographs by Hjalmer C. Rykken amateur but experienced photographer, that were made between October 1958 and July 1962. Content of the photographs includes: streets, views of Lake Superior, Central High School, Fire Hall, the Hibbard Plant, Lakefront, the First Presbyterian Church, Elliott Packing Co., Park Point, and Rail Road tracks.

The collection contains annual reports, 1954-1977, minutes, 1930-1977, correspondence, files by office divisions, legal materials, news clippings, publications, and photographs.

The scrapbook contains newspaper clippings pertaining to Singer’s role in the Lake Superior transportation business from 1899-1903.