Minnesota Oregon Washington Twin Cities Portland Seattle c. 1866 Johnson mapJohnson's Oregon and Washington & Johnson's Minnesota. (North America, United States, Midwest, Minnesota, Twin Cities, Pacific Northwest, Washington, Oregon, Seattle, Portland). Issued c. 1866 70, New York by A. J. Johnson. Uncommon mid 19th century lithographed map, with original hand color. Nice looking example, pleasing age patina, light soiling and small scattered spotting, any minor age flaws easy to overlook or forgive. Sheet Measures c. 18" H x