The magazine article is titled “Old Seattle, and His Tribe” (Overland Monthly IV(4):297-302, April 1870).

At points offensive, but well worth quoting in full, is this nationally circulated rare biographical remembrance of a very early African-American settler and Jargon speaker on the Lower Columbia.

[Edited immediately after publishing 🙂 to note — I’ve just realized that word sak-talm ‘paddle’ in Scammon’s article is another good mystery. More soon! DDR] Here’s a leisurely cruise guided by a knowledgeable pilot.