“Wisconsin”
with detail inset map of “Plan of Cook County & Vicinity of Chicago”

by G.W. Colton
from his “General Atlas”
published by G.W. & C.B. Colton, New York 1874
beautiful double-page map
as with most Colton maps, this features major towns, roads, railways and topographical features.
nice decorative border and colors
the inset map shows area and rail lines around Chicago

measures approx 26″ x 17″