Scale 1:15,840. -- "Scale of twenty chains to one inch". -- Relief shown pictorially and by hachures. Depth shown by soundings. -- Includes surveyor's remarks. -- "Surveyed and drawn by Joseph Bouchette". -- "Presented to the City by Mr Willoughby P. Cole, a descendant of Governor John Graves Simcoe of Upper Canada. Minutes (No 338), City Council, May 28th, 1934."