Dakota Datebook: HR Bill No. 2593 in N.D.

Dakota Datebook written by Christina Campbell.

In 1861, Dakota Territory included portions of present-day Montana, Idaho and Wyoming. As each region became separate territories, it appeared that the borders of the three future states failed to join, leaving a triangular section between Montana, Wyoming and Idaho that still belonged to the Territory of Dakota.

Land office maps from the 1860’s...