The collection consists of material accumulated by the Coquitlam Heritage Society over the course of its existence. The collection includes the following: records related to Fraser Mills (later the Canadian Western Lumber Company, then Crown Zellerbach) including ledger books, journals, statements, photographs, and various other records; records related to the lumber industry in Coquitlam; photographs of historic Coquitlam; glass plate negatives by W.J. Moore and Richard Broadridge; material related to the administration of the Coquitlam Heritage Society itself; and miscellaneous records related to Coquitlam's history
The collection consists of approx. 640 photographic prints used for the "Coquitlam 100 Years: Reflections of the Past" publication produced by the District of Coquitlam in 1991. The collection also includes the transcripts of interviews used in the publication as well as the administrative files of the Pioneer Tales of Coquitlam Committee and various publications and pamphlets used for contextual information for the book.
