Boundaries

Regions of Colorado

Essential Concepts

In these four activities, the concept of regions and how they form and change is developed. Students contemplate whether or not the regions of the 1800s are still accurate for the 2000s, taking into account a variety of factors.

Download the "Regions" Conceptual Overview with Worksheet Keys for more information.


Changing County Boundaries

Essential Concepts

The evolution of county borders in Colorado between 1876 and 2000 shows the impact of population growth connected to the different resource uses in the state: first mining, then agriculture, and finally urbanization. 

Download the Changing County Boundaries: Conceptual Overview and and Worksheet keys for more information.