https://digitalarchive.tpl.ca/internal/media/dispatcher/2164367/fullThomas Young, City Engineer of Toronto from 1840 to 1842Approximately 1912127 x 109 mmWater colour, touches of opaque white, over pencil on water colour board with ruled border in pencil & opaque whiteJRR-2780-CabIV-Staples0Picture7715853364615