Vancouver Island. Inner channels leading from Juan de Fuca Strait to Haro Strait [cartographic material] / surveyed by Captn. G.H. Richards R.N.; assisted by Lieut. R.C. Mayne, D. Pender & E.P. Bedwell, Masters; J.T. Gowlland & G.A. Browning, Sec. Mast. R.N., 1858-62; with additions and corrections to 1870 by Staff Commander D. Pender R.N

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

Date de modification :