[2] In the same year, Joseph Monkhouse built a general store and William Cooper an inn.

Local families included the Barkeys, Reesors, Widemans, Nighswanders, Hoovers and Stouffers.

[9] The churches, school, store (former hotel) and many homes remained into the 21st century, but all have been expropriated and most boarded up by the federal government for a proposed plan to build Pickering airport, a second international airport in the Greater Toronto Area.

[11] Under the current plan, the approach for one of the three landing strips for the Pickering Airport would be directly over the former hamlet of Altona, with planes descending at an elevation of approximately 300 metres.

[12] A "Needs Assessment Study" was completed by the Greater Toronto Airports Authority for the federal government in May 2010.