In this article you will find various reference maps for the state of Kansas.

To link to Randy and Sheri's ADT hike across Colorado, click here (in the future, they are not to Colorado yet).

To link to the bedrock geology map of Colorado from the Colorado Geological Survey, click here.

For the Colorado Geological Survey's map of Colorado's physiographic provinces, click here
For the Colorado Geological Survey's map of Colorado's rock distribution through geologic time, click here