A map of western North America between the opening of the Oregon Trail in 1832 to 1842, prior to the establishment of the Provisional Government of Oregon by American settlers in 1843. The map shows the boundary of the Oregon Country,...

A map of the Appalachian Mountain region showing the three primary routes of the early 1700's through the natural barrier from the English colonies to the Mississippi Valley. "The Appalachian ranges separated the French and the English,...

A map of eastern North America in 1620 showing the King James Patent of the Plymouth Company to the north and London Company to the south. In 1620, the Plymouth Company was reorganized as the Plymouth Council for New England, or the...