Consists of a ts. letter from W.H. Breithaupt to William Philip, Chairman, Flood Prevention Committee, Grand River Valley Boards of Trade, dated June 20, 1932. The letter contains comments from W.E. Breithaupt, who was a member of the Grand River Valley Boards of Trade, regarding a Department of Lands and Forest report concerning Grand River drainage. Also present is a cover page of a Department of Lands and Forest report titled, Report on Grand River Drainage, (Toronto, 1932).

Consists of a ts. memorandum of interview with Department of Health representatives, which may have been prepared by the Grand River Valley Boards of Trade. The memorandum concerns industrial pollution and sewage disposal on the Grand River in relation to public health and safety.

Consists of ts. (photocopy) decision of the Ontario Municipal Board issued on April 10, 1958 regarding an appeal of the apportionment of benefits afforded to participating municipalities by the Grand River Conservation Commission which came into effect on May 15, 1953. The appellant in the case was the Corporation of the Town of Paris; the respondents were the Grand River Conservation Commission and the Corporations of the Cities of Brantford, Kitchener, Galt and Waterloo and the Towns of Preston, Fergus and the Village of Elora

Consists of ts.(carbon copy) decision of the Ontario Municipal Board concerning compensation owing to William H. Norris, Township of West Garafaxa, Ont. by the Grand River Conservation Commission for expropriation of farm lands belonging to the former.

River flow gauge housed in cherrywood box, painted grey.

Consists of a ts. (photocopy) information package probably distributed in conjunction with an information meeting of the Grand River Conservation Commission, March 20, 1964 concerning the proposed Ayr and Montrose dams and reservoirs. The package provides an overview of the purpose and responsibilities of the Grand River Conservation Commission together with statistical information and maps.

Consists of a ts.(photocopy) report dated July 31, 1939 by James Mackintosh [Grand River Conservation Commission?] to Frank P. Adams, Secretary-Treasurer of the Grand River Conservation Commission. The report is in the form of a letter and details the history and development of the GRCC and assessments of the financial benefits and costs accruing to various communities in the Grand River Valley from GRCA sewage disposal, flood prevention and water supply activities.

Consists of a printed booklet containing a Province of Ontario Statute titled : The Conservation Authorities Act, Revised Statutes of Ontario, 1950, Chapter 62, as amended by 1952, Chapter 11.