The fonds consists of labour agreements, correspondence, and printed material relating to Leland's work with the General Truck Drivers and Helpers Union, Local 31, and the Teamsters.

The fonds consists of correspondence, notices, minutes, and clippings recording the dispute between the Automotive Transport Labour Relations Association and the Teamster's Union Local 31 Vancouver (1970-1971) which precipitated the passage of Bill 33. The fonds also reflects the history of Carson Truck Lines and motor transport on the Cariboo Road and Fraser Canyon.