San Juan Boundary Arbitration. Atlas (10 maps with list). [British Columbia, Washington,
                        c. 1860]. 
                     
                     [Map 10] Sections upon various parallels between Vancouver Island and Oregon. Horizontal
                        scale, 2 sea miles to one inch, vertical scale, 110 fathoms to one inch. Cross-sections
                        of the Strait of Georgia on the 49th parallel, and Haro & Rosario straits from 48
                        50' to 48 '25'. 
                      
                  San Juan Boundary Arbitration atlas [map 10], 1860, National Archives of the UK, FO925-1647B (10). 
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_925-1647b_10_1871.html.
 
                  
                     
                     Title: San Juan Boundary Arbitration atlas [map 10].
                     
                     Title: Sections upon various parallels between Vancouver Island and Oregon.
                     
                     Subject: Georgia, Strait of (B.C. and Wash.) -- Maps; Haro Strait (B.C. and Wash.)
                        -- Maps; Rosario Strait (Wash.) 
                     
                     Subject: British Columbia, Washington, 1860, 1872
                     
                     Identifier (repository): FO
                     
                     Identifier (repoNumber): 925
                     
                     Identifier (repoVol): 1647b
                     
                     Identifier (libFileName): FO925-1647B (10)
                     
                     Identifier (penfoldNum): 392
                     
                     Identifier (doc_id): FO925-1647B (10)
                     
                     Date: 1860
                     
                     Funder: Funded by a Canadian Council of Archives, Archival Community Digitization
                        Program.
                     
                     Publisher: National Archives of the UK.
                     
                     
                     View in UVic Libraries Vault repository
                     49N-48 25'N