Typescript letter regarding lumbering on Lake Huron, Ontario written by David M. Netterfield. The letter describes the history of the Spanish River Lumber Company that operated near the Sauble River, between 1882 and the 1940's, focusing on the 20th century history of the company. Account makes reference to the Spanish River Indian Reserve, Wahnapitae, Ontario, the Great Lakes Storm of 1913 and the Mississauga Timber Reserve. Also included is a business card dated July 14, 1958, for Noranda Mines Limited located in Toronto, Ontario with a handwritten note that reads: Thought this might interest you. Hope you had a good trip. Hank. 14 July/58."

Fonds consists of materials created and accumulated by members of the Innis family including by Anne Innis Dagg, Donald Innis and Harold Innis. Includes essays, photographs, clippings, and materials relating to the Mary Quayle Innis Foundation.