Dear Wino,
I've never seen the tail logo up close, living as I do in a different part of the world than which is served by Alaska Airlines.
Are you just giving your opinion or interpretation of what the logo is, or do you know for a fact that it is an Eskimo portrait?
Is the logo, then, nothing more than a portrait of an Eskimo (i.e., Native American of Alaska), picked as a generic symbol of the airlines' namesake state? No story behind it?
------------------
R. J. Emery