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.

Click on "Regions" Conceptual Overview for more information.

Student Worksheets

Worksheet R-1  Western Colorado

Worksheet R-2  Southern Colorado

Worksheet R-3  Front Range and Denver

Worksheet R-4  Eastern Colorado

Activity R-1  Western Colorado

Activity R-2  Southern Colorado

Activity R-3  Front Range and Denver

Activity R-4  Eastern Colorado

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. 

Click on Changing County Boundaries: Conceptual Overview and key  (in MS Word format) for more information.

Student Worksheets

Worksheet CB-1  (MS Word) Defining the State's Border

Worksheet CB-2  (MS Word) Early Colorado Counties

Worksheet CB-3  (MS Word) 20th-century County Changes

Activity CB-1  Defining the State's Border

Activity CB-2  Early Colorado Counties

Activity CB-3 20th-century County Changes