One letter ts. mimeograph, signed, with attachment.

Consists of a printed copy of Province of Ontario Statute 1946, Ch. 11, An Act to Provide for the Establishment of Conservation Authorities for the purposes of the Conservation, Restoration and Development of Natural Resources, other than Gas, Oil, coal and Minerals and for the Prevention of Floods and Water Pollution (short title : Conservation Authorities Act, 1946), with 1947 mimeograph revisions tipped in.

7 lleaf ts. (carbon).

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

Photocopy of document belonging to Ilmar Kao.

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 ts. transcript (carbon copy) of Province of Ontario Statute 1932 Ch.55, An Act to Establish the Grand River Conservation Commission, 1932 (Short title : Grand River Conservation Commission Act).

Consists of ts. summary table of elevations and flow rates during the October 15-16 1954 run-off at the Shand Dam and on the Conestogo River, prepared by E.F. Roberts, Secretary-Treasurer of the Grand River Conservation Commission.