Note générale :
Depths shown by soundings.
Head of title: North America - west coast. British Columbia. Johnstone Strait.
Magnetic variation date 1896.
Large corrections August 1903.
Includes manuscript additions: place names checked.
Stamped information.
Paste-on west of Boughey Bay lacking.
Bottom right corner: Engraved by Davies & Bryer.
On verso: 405.
Note sur la mention de responsabilité :
"The outer portion, south of Domville Pt., shown in hairline, is enlarged from a smaller scale survey by Commr. C.H. Simpson R.N. and the Officers of H.M.Surveying Ship 'Egeria', 1901."
Données mathématiques sur les documents :
Scale 1:18 240.
Note sur les autres formats physiques disponibles :
Microfiche version: NMC 187367.
Note sur les dates de création :
Published on 8th January 1866 with corrections to 1903.