A section of Graham Island in British Columbia, Canada.

Graham Island

A section of Graham Island in British Columbia, Canada.

Graham Island, as it appeared on Sept. 29, 1831.

Graham Island

Graham Island, as it appeared on Sept. 29, 1831.

"Picture writing of the Tahltan, a British Columbia tribe. The drawing was done in charcoal on the blazed trunk of a tree. The meaning is: 'Using a raft, I shot three geese.'"—Webster, 1913

Indian Picture Writing

"Picture writing of the Tahltan, a British Columbia tribe. The drawing was done in charcoal on the blazed…