(definition) by Webster 1913 Tue Dec 21 1999 at 22:36:00

Col`o*ra"do group (?). Geol.

A subdivision of the cretaceous formation of western North America, especially developed in Colorado and the upper Missouri region.

 

© Webster 1913.

del.icio.us Facebook Digg StumbleUpon Reddit (unvotable) (I like it!)
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.