The series consists of photographs documenting the career and family life of Allan DeWolf, ca. 1900 to 1960. His photographs are intermingled (combined in albums) with family photographs of several generations of the DeWolf family. There are also family photographs (Fink family) which relate to Allan DeWolf's wife, Ethel Minnie Fink. The series also consists of photographs which relate to Allan DeWolf's daughter, Gladys (DeWolf) Malach. These include photographs of Gladys DeWolf as a child and with colleagues at RCAF Station Fingal, (Ontario) in 1943-1945, when she served with the Royal Canadian Air Force Women's Division (RCAF WD).
The series includes loose prints, prints mounted in albums, negatives, and includes panoramic photos. Some of the photographs of logging engineering (log flumes on trestles, etc.) appear to have been taken by a professional photographer. Some photographers identified are: R.J. Binning of Cranbrook, B.C. and W.F. Montgomery of Chase, B.C, in the 1920s. Many of the photographs of flume construction and surveying are not accompanied by information on locations. Subjects include: Northwestern Military Academy, the Flathead Trading Company (Flathead Valley); construction and operation of the Moyie River flume; B.C. Spruce Mills Ltd. operations at Lumberton, B.C.; work on a movie set for a Louis B. Mayer production on the Bull River in 1922; portable sawmills and logging machinery; the Alexander Creek flume; the Chipka Creek flume; the Western Exploration Company and construction of the Mammoth Mine concentrator at Silverton, B. C.; Nicola Valley Sawmills and Merritt Logging Company; trucking, unloading and scaling of logs; and family travels to California in the 1930s. Locations reflected in the photographs include: the University of Minnesota, ca. 1908-1910; Aroland, (Ontario); and B.C. locations including Cranbrook, the Crow's Nest Pass area, Moyie Lake, Kootenay Lake, Premier Lake, Yahk, Waldo, Allison Creek, Tulameen, and Merritt.
The series also includes memorabilia and other textual material including: DeWolf's naturalization certificate, letters of condolence on the death of Allan DeWolf, brochures, postcards, souvenirs and news clippings.