An aerial photograph of Tyendinaga Township, Concession 3 (Map # TD 19685Z). The photo includes Concession 3, Lots # 1 to 26 including proposed Hydro right of way and landowners names and instrument numbers Photographed on September 10, 1973 and annotations made July 27, 1976. Scale 1 inch = 200 feet.
For the Ontario Hydro Route and site Selection Division, Orthophoto R/W Selection Plan Lennox G. S. - Oshawa Area T. S. Aerial View.
By J. E. Clements- photogrammetric production officer; D. Crozier- chief draftsman; J. Sedgwal- project engineer; C. E. Bishop- Sr R/W planning engineer.

Plan showing Tyendinaga Township, Part of Lots # 31 to 40, concession 2 North range, Ontario Hydro proposed right to way (Map # TD30189Z). For Ontario Hydro, Design and Construction Branch, Surveys and Mapping. Scale 1 inch = 200 feet. Drawn by R. Sweeney, R. A. Schan, O .L. S.

An aerial photograph of Tyendinaga Township, Map # TD19684Z01. The total area covered includes, Lots # 22-40, Concession 2, Lot # 22-31, Concession 3 - showing orthophoto right of way Selection Plan. For Ontario Hydro - Route & Site Selection Division. Aerial photo taken on September 10, 1973 and published August 25, 1976. Scale: 1 inch = 200 feet.

A map studying alternative routes for hydroelectric power. The area covers from West Oshawa, East Mount Pleasant Jct. North Rice Lake & South Lake Ontario.

A map studying the proposed routes for power transmission from Lennox to Oshawa. The area covers from West Oshawa, East Mount Pleasant Jct. North Rice Lake & South Lake Ontario.

Collection of articles from The Intelligencer about the history/ creation of Sidney township council meetings.

File contains a manuscript petition and statement of damages submitted to the Commissioners of the District of Victoria by John Culbertson, innkeeper, Tyendinaga, for a personal injury and damages to a windmill and other property in 1837 to 1838.

Histories of farming families in Tyendinaga Township, with photographs of some farm properties.

Index of contents:
Richard & Sam Tripp
Mr & Mrs James Osborne
Mr & Mrs Joseph Forestell
Mr & Mrs John Milligan
Mr & Mrs Allan King (former Jacob Eaton property)
Mr & Mrs Newton Demille
Mr & Mrs Les Gnaedinger
Gerald & Orville Stratton
Mr & Mrs Ron Graham
Mr & Mrs Earl Badgley
Mr & Mrs Roy Badgley
Mr & Mrs Harold McMechan
Mr & Mrs Donald McLaren
Mr & Mrs Fred Robinson
Mr & Mrs Clare Weese
Mr & Mrs Larry Plews
Mr & Mrs John Blatherwick
Mr Jack Farrell (blacksmith)

Pictures:
Lonsdale Station
Farm Homes - J. Milligan, M. Dawson, J. Colson, A. Haight, Earl Lansing, S. Demille
Mr & Mrs Vernon Pascoe's store

Photographs and press clippings relating to Tyendinaga Township residents.

Photographs, typescript histories, and press clippings relating to Tyendinaga Township churches.

Melrose United Church (burnt down and rebuilt in 1962)
Salem United Church (closed 1951, torn down 1954)
Shannonville United Church (closed 1967)
Lonsdale United Church (closed 1967)
Holy Name of Mary Church, Marysville
St. Charles Borromeo, Read

Scrapbook of newspaper clippings, programs, and photographs relating to Tyendinaga Township people and events.

Scrapbook of newspaper clippings about people and events in Tyendinaga Township.

Scrapbook of newspaper clippings and photographs about people and events in Tyendinaga Township.

File contains petitions to the council regarding road repair in Thurlow and Tyendinaga, as well as a special committee report about road and bridge repair and financial information about the cost of repairing various roads.