The series consists of records pertaining to various lumber companies and their subsidiaries that operated in the Coquitlam area and in British Columbia. The records include financial journals, timber records, workplace accident ledgers, sales records, accounts journals, financial statements, and the Crown Zellerbach company newsletter from 1957 to 1986.

The fonds consists of correspondence, financial ledgers, manuals, personnel files, photograph prints, and slides relating to the Canadian Western Lumber Company Limited., its predecessor, subsidiary, and successor companies (e.g. Crown Zellerbach and International Forest Products).