Series consists of correspondence records from the Whitham, Clements, and Zoellner families. Correspondence includes those that were received by various family members as well as those that were sent among family member. Series includes records such as letters, postcards, official documents, and ephemera. Some photos are pasted into pages of text and have not yet been separated. All photos, even those associated with correspondence files have been numbered as part of the family photographs series (12.2).

Subseries consists of a collection of documents covering the inception and development of Apex Mountain Resort near Penticton, BC. Includes form letters to Apex members, reports, and some financial statements. Also included is a collection of promotional brochures from the 1970s – 1990s.

An additional sequence of photographs related to Apex Mountain can also be found in series 1.3-1 (Historical Photograph Collection) at the item range 1.3-1/00766 – 1.3-1/00813.