Consists of 1 volume ts.(carbon copy) report prepared by H.G. Acres, Chief Engineer, [H.G. Acres & Company Limited?] for the Grand River Conservation Commission concerning the investigation of dam sites on the upper Grand River. Includes a cover letter from H.G. Acres to F.P. Adams, Secretary-Treasurer of the Grand River Conservation, February 15, 1939.
Also present are blackline maps of the Grand River Valley and Luther Marsh Area, and blackline plans of Shand, Belwood and Pilkington Dam Sites. Also contains photographs of [core samples?] from the Shand, Belwood and Pilkington sites. A blueline drawing of the Conestogo Dam Foundation , No. 5, 1954 by H. Barnett, H.G. & Acres Co., Ltd., is inserted.