Haro and Rosario Straits, surveyed by Capt G.H. Richards and the officers of HMS Plumper,
                        with MS additions by Admiral Prevost, showing proposed boundary. Admiralty Chart 2689.
                        1:145,800. [Haro and Rosario Straits, 1859; 1871]. Soundings in fathoms. Relief shown
                        by spot heights and hachures.
                      
                  Richards, G.H. (George Henry), 
Haro and Rosario Straits, 1859, Great Britain. Hydrographic Office, FO 925/1252. 
The Colonial Despatches of Vancouver Island and British Columbia 1846-1871, Edition 2.5, ed. James Hendrickson and the Colonial Despatches project. Victoria,
                     B.C.: University of Victoria. 
https://bcgenesis.uvic.ca/fo_925-1252_haro_and_rosario_ss_1859.html.
                     
 
                  
                     
                     Title: Haro and Rosario Straits
                     
                     Author: Richards, G.H. (George Henry)
                     
                     Subject: Haro Strait (B.C. and Wash.)--Maps; Rosario Strait (Wash.)--Maps
                     
                     Subject: Haro and Rosario Straits, 1859, 1871
                     
                     Identifier (repository): FO
                     
                     Identifier (repoNumber): 925
                     
                     Identifier (repoVol): 1252
                     
                     Identifier (libFileName): FO925-1252
                     
                     Identifier (penfoldNum): 494
                     
                     Identifier (doc_id): FO 925/1252
                     
                     Date: 1859
                     
                     Funder: Funded by a Canadian Council of Archives, Archival Community Digitization
                        Program.
                     
                     Publisher: Great Britain. Hydrographic Office
                     
                     Publisher: National Archives of the UK.
                     
                     
                     View in UVic Libraries Vault repository
                     49 15'N--48 05'N / 123 35'W--122 25'W