Consists of materials relating to the early history of the Grand River Conservation Commission and the development of the Grand River Conservation Authority.
Includes newspaper clippings, including two articles by Hugh Templin (1966), ms. notes by an unidentified author concerning the development of the GRCC from 1931 to 1946, four negatives in an envelope labelled "Drayton: Conestogo river, May 22, 1952," an advance proof of a cover page of a publication titled : Flood Control in Southwestern Ontario, and a pamphlet by the Grand Valley Group of Engineers titled : A Plan to Grow Wealth and Eliminate Waste, 1936.