Consists of ts.(carbon copy) report of the Grand River Valley Boards of Trade Flood Prevention Committee, probably presented at a meeting of the Boards on April 24, 1931. Document has been briefly annotated.

Consists of a ts.(photocopy) report submitted to the President of the Grand River Valley Boards of Trade by the Development Committee, probably for presentation at a Grand River Valley Boards of Trade meeting on August 30, 1933 The report is in the form of an unsigned letter; Committee reports normally accompanied the GRVBT minutes of meetings. The report concerns river flow and sewage disposal on the Grand River.

Contents : consists of a ts.(carbon copy) circular letter dated Sept., 1931 issued by Fred I. Grobb, Secretary, The Grand River Valley Boards of Trade, announcing a meeting to be held at Kitchener City Hall, Kitchener, Ont. on Sept. 24, 1931.

Consists of ts. minutes of meetings of the Grand River Valley Boards of Trade including reports of committees, contained in a binder. Also includes newsclippings and correspondence.

Inserted in the binder are ts. (photoreproduction) of correspondence from J.L. Morris and James Mackintosh to the Secretary of the Grand River Valley Boards of Trade, April 18, 1934; ts.(carbon copy) undated report titled : Estimated Cost of the Waldemar Dam; and ts.(photoreproduction) report concerning Grand River Conservation Records by the Hydro Electric Power Commission of Ontario Engineering Department, August 13, 1938.

Consists of ts. transcripts (photocopy) minutes of meetings of the Grand River Valley Boards of Trade, December 12, 1930 to April 20, 1934, and minutes of meetings of the Grand River Conservation Commission, May 30, 1934 to October 31, 1946.