Article detailing the development of the Holland Marsh. It was copied from the Prof. W.H. Day Memorial Unveiling programme and published in the Witness alongside the unveiling ceremony story.
Article from the King Connection on King township's portion of the Holland Marsh, which West Gwillimbury traded for a train bridge into the town of Bradford in 1852.
Newspaper article dated 1889 from the South Simcoe News, describing the disappearance and drowning death of William Sutherland, son of Alexander and Elizabeth Sutherland.
A 1935 study of the 1852 survey of the Holland Marsh, written by Edward Cavell and published by the Association of Ontario Land Surveyors. The report is accompanied by a portrait and biography of Cavell, former President of the Association of Ontario Land Surveyors.
The first full survey of the Marsh was conducted due to the construction of the Northern Railway between Toronto and Barrie after 1852. The surveyor used tamarack poles hammered into the muck below the water.