Consists of ts.(photocopy) background documentation and statistical materials which appear to have accompanied a tour of Grand River Conservation Commission sites, conducted on July 10, 1963. The materials include a map which shows reservoirs and member municipalities of the Grand River Conservation Commission.

Consists of a ts.brief prepared by the Grand River Conservation Commission to demonstrate to federal and provincial authorities the need for proposed multi-purpose reservoirs and other control work the Grand River Watershed.

Includes four blackline maps of proposed reservoir catchment areas in Ayr and West Montrose, Ont. and flood stage maps of the cities of Brantford, Paris and Galt, Ont., prepared by J.M. Tomlinson & Associates Ltd, Consulting Engineers, January, 1964. Also present are photographs of floodwaters in the Grand River Watershed at Brantford, Galt and Paris, March 20-22,1948.

Consists of a ts.brief (iii, 48 p.) prepared by the Grand River Conservation Commission to demonstrate to federal and provincial authorities the need for proposed multi-purpose reservoirs and other control work the Grand River Watershed.

Includes blackline maps of proposed reservoir catchment areas in Ayr and West Montrose, Ont. and flood stage maps of the cities of Brantford, Paris and Galt, Ont., prepared by J.M. Tomlinson & Associates Ltd, Consulting Engineers, January, 1964. Also present are photographs of floodwaters in the Grand River Watershed at Brantford, Galt and Paris, March 20-22,1948.

Consists of a ts.(photocopy) brief regarding the necessity of building the Glen Allan Dam[Conestogo Dam] on the Conestogo River.

Consists of ts.(carbon copy) report prepared by H.G. Acres & Company, Consulting Engineers, Niagara Falls, Ont. for the Grand River Conservation Commission, regarding a proposed Luther Marsh storage development. Includes blackline contour plans, and blackline drawing of the Luther Dam prepared by H.G. Acres & Company, March 15, 1950.

Consists of printed fact sheet concerning the Conservation Authorities Act. The information concerns the powers and responsibilities delegated to Conservation Authorities in Ontario.

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.

Consists of ts. paper entitled "In the Wake of Hurricane Hazel : a review of flood problems," by R.L Clinch and H.J. Saaltink, H.G. Acres & Company Ltd., presented at the Engineering Institute of Canada, May 11, 1955. The paper deals in part with the Grand River. Includes blackline storm tracking diagram, and isoheytal maps and flood hydrographs of the Grand River prepared by H.G. Acres & Company Limited, May 1955. Also includes a cover letter from A.W. F. McQueen, Vice-President, H.G. Acres & Company Ltd.