(Midwest) The Old Northwest Territory ~Catalog 54~ When it was issued the

When it was issued the left lower edge was trimmed not effecting the image

An interesting map of the continent with an honest treatment of what was known and what was an "Unexplored Region"

(Colorado) Silver Mining In Colorado

Geological Map Of Colorado Springs and Vicinity Colorado

(Midwest) The Old Northwest Territory ~Catalog 54~ When it was issued the(Mid West) The Old Northwest Territory The First Step Westward by the United States in its March From Sea to Sea It was once the wild frontier lands that stretched beyond the Ohio river to the Mississippi River and up to the Great Lakes, quickly it evolved into series of territories and finally states. This WPA publication is perhaps the best visual reference on the history of this region. It takes the region in several insets as well as one large map