General Information About the Society Who We Are Aims Executive Directory Location of Meetings Membership Application The Annual Report to the Ontario Historical Society Westminster Ponds/Pond Mill's If you have Acrobat Reader and lots of time (8-10 min.), download the Background Study below.  It is a huge yet very informative document submitted to the London Advisory Committee on Heritage, June 10, 1998. Background Study (PDF File) for the Designation of the Westminster Ponds/Pond Mill's Conservation Area as a Heritage Conservation District.