The fonds consists of predominantly of photographs. Photographic coverage includes: N.R. “Buck” Crump as President of the CPR, CPR employees, the 1910 Rogers Pass avalanche, wrecks, fires, steamers, engines, stations, and scenery.

The collection consists of two subcollections: 1) Daisy Clara Millar letters and 2) South Okanagan Irrigation Project ephemera.

The fonds consists predominantly of photographic slides depicting the creation and openings of the sculptures, as well as articles discussing the symposium, its intent and outcomes.

The fonds consists of newspaper issues, photographs, and publishing notes from 1988-2011 which provide a look into the day-to-day function of creating the newspaper.

Collection consists of the documentation of Cox’s career as an historian and author. The collection is comprised predominantly of photographic material. There are approximately 15,000 unique photographic images: prints in various standard dimensions (8"x10", 5"x7", 4"x6" and smaller, with some custom dimensions, predominantly in black and white; slide transparencies in black and white and colour; negatives, (120, 35mm, and 4”x5”) in black and white; digital photographs in black and white and colour contained on CDs and one hard drive.
Photographic coverage extends from ca.1870 to approximately 2008, with the period 1900-1970s predominant. Original photographs by Doug Cox cover the 1970s through approximately 2008. A significant proportion of photographs not attributed to Cox are copies. Many are reciprocally described via resources available via Okanagan Archives Trust Society.
The collection also includes audio cassettes containing interviews recorded in the 1980s and 1990s with associated transcriptions by Joyce Cox. Government documents (primarily Province of British Columbia, c. 1910-1960s) include topographical maps, tree farm license maps, mineral claims maps, taxation records, forestry examination sketches and other records.

The collection consists of video capture of Redlich Pond between the years 2007 and 2018, showing changes to its appearance and biodiversity over time, and one appeal to action in the form of a letter.