Series consists of air photographs of northeastern Ontario and northwestern Quebec taken by Spartan Air Services Canada Limited. Series contains photographs of areas in and near North Bay, Sudbury, Gogama, Timmins, Ville-Marie, and Noranda-Rouyn. Series also contains 7 index maps that were compiled around 2010 by Data and Documents Coordinator Tom Power.
Photographs in series are arranged by base map number, strip number, and roll number.