Published in the late 19th century, Myron Eells's work on the Chinook Jargon serves as both a linguistic record and a practical guide to the widely used trade pidgin of the Pacific Northwest. The text documents the vocabulary and pronunciation of a language born from the blending of Indigenous dialects, French, and English, which originally facilitated commerce between diverse tribes and incoming white settlers,. A keen insight drawn from Eells's scholarship is how his rigorous documentation of the language was inextricably bound to his religious mission; because the Jargon was already broadly understood, he utilized it as the most efficient medium for rapidly spreading Christian hymns and teachings across multiple distinct linguistic groups,. Consequently, the work exists as both a valuable ethnographic artifact of a unique contact language and a practical tool designed to aid in the cultural assimilation of Indigenous populations.