The United States : & the relative position of the [sic] Oregon & Texas /
Wyld, James,1812-1887.
London : Published by Ja.s geographer to the Queen and late H.R.H. Prince Albert, Charing Cross East,
[1861?]
Relief shown by hachures.
Shows "free labour states" and "slave states."
Inset: Great Britain on the same scale.
Wheat, C. I. Mapping Transmississippi West,