The file primarily contains notes regarding the dimensions and sizes for the Touchline exhibitions materials. The file also includes some correspondence. The correspondence discusses publicity.

The file contains thirty slide-transparencies related to a lecture that Harold Spence Sales gave at Simon Fraser University in 1992 on the topic, "Urban Cradle". The file includes one page of notes.

The tube contains an assortment maps. The maps locations have not been identified.

Subseries C consists of side-transparencies. The slide-transparencies subseries C are distinct from the loose and eclectically gathered slide-transparencies in "Series 3 subseries B photographs and slides". The slide-transparencies that have been cataloged in Subseries C are labeled by project and have been placed in slide containment boxes or carousel wheels in a meticulous order by Harold Spence-Sales.

The images in the slide-transparencies are primarily of aerial photographs and geographical areas.

The file primarily contains Harold Spence-Sales outlines and drafts of presentation materials for the Touchlines Exhibition.

The file contains newspaper-magazine articles and clipped pictures of the Mount Baker area.

The file contains information that celebrates the life and career of McGill University architecture professor John Bland.

The file contains correspondence regarding the Touchlines exhibition. The following names appear frequently in the file: Harold Spence-Sales, Mary Filer, Sarah Clark-Langager and Edward Gibson. The file also contains plans for the physical arrangement of the Touchlines exhibition.

The file contains correspondence regarding the Touchlines exhibition primarily between Harold Spence Sales and Robert L. Monahan director of the Center for Canadian and American Studies. There is also correspondence between Sarah Clark-Langager, Edward Gibson Robert L. Monahan regarding Harold Spence-Sales presentation plans.

The file contains information and noes that Harold Spence-Sales was using to try and develop the content for his Touchlines exhibition brochure. The file also contains newspaper articles about the borders between Canada and the United States.