Tongass Narrows and Hassler Harbor

1908

1:30k

Sheet No. 5. (Behm Canal, Revillagigedo Island, Clarence Strait, Nichol's Passage, Revillagigedo Channel, Cleveland Peninsula).

1904

Alaskan Boundary Tribunal

1:160k

Alaskan Boundary Sheet #5

1903

Julius Bien & Co.

1:160k

Clarence Strait

1886

C&GS

1:200k

Behm Canal and Clarence Strait

1882

US Ex. Ex.

1:509k

Clarence Strait Revillagigedo Channel and Portland Canal

1893

C&GS

1:200k

Clarence Strait : Revillagigedo Channel and Portland Canal

1916

1:200k

Clarence Strait : Revillagigedo Channel and Portland Canal

1894

1:200k

Portland Canal and Observatory Inlet

1880

British Authorities

1:523k

Facsimile: Cordova Bay to Cross Sound. Part of British Admiralty Chart. No. 2431.

1884

British Admiralty

1:530k