Series consists of photographs taken by or of Jack Heit. Photographs include the 1939 Royal Visit by the King & Queen, Christ the King Church, the Bell Park Diving Board, VE Day Celebrations, Pioneer Construction activities, the Garson Fire Department, and Falconbridge Nickel Mines Ltd (mining images predominantly pertain to health and safety).
Series consists of newspaper and magazine clippings concerning the activities and employment of Jack Heit. Clippings include an article regarding Christmas mail delivery in Sudbury, Ontario in 1939; five clippings mentioning various mine health and safety competitions and awards during the 1950's (with an additional clipping from 1974), and one article concerning Heit's retirement as Deputy Fire Chief in February 1971.
Series consists of an annotated Ontario Department of Mines Certificate of Mine Rescue Training issued to J.H. Heit of Falconbridge, Ontario in June 1948 by Chief Inspector of Mines W.O. Tower and Superintendant of Rescue Station G.G. McPhail. The certificate signified the completion of mine rescue apparatus training at the Sudbury Rescue Station. Training included hard labour in noxious and irrespirable gases and the participant was required to give evidence of being qualified to care for and use rescue apparatuses in mines (basic training). This certificate includes three seals signifying completion of additional training; The Standard Mine Rescue Training seal (in the colour red) dated 1949 and signed by Rescue Station Superintendent G.G. McPhail, the Advanced Mine Rescue Training seal (in a gold) dated 1951 and signed by Inspector of Rescue Training P.C. Smith, and the Supervisory Advanced Mine Rescue Training seal (in gold) dated 1961 and signed by Inspector of Rescue Training G.G. McPhail.