From: Halifax Habour, Surveyed by Staff Commander W.F. Maxwell, R.N., Assisted by Staff Commanders F.W. Jarrad and P.H. Wright, R.N. 1889. The Narrows from a Canadian Government Survey, 1916. The Topography is taken from the Royal Engineers plans, with corrections and additions from the Hydrographic Department, Ottawa, 1916. Soundings in Feet, Natural Scale 1/10,560.