Please Note:

A recent bug has found our way into the system and we are working on fixing it right now, please do not process the incorrect payment as it will charge you incorrectly. The workaround currently is to add and pay for items separately in different orders. The total price should remain unchanged as we calculate shipping as a percentage of total cost. Hope this helps and doesn’t inconvenience you too much for the time being. Our¬†apologies for the bug.
CGS Publications Team


Welcome to the Colorado Geological Survey’s on-line bookstore. We are pleased to offer publications, maps, and CD-ROMs to our customers through the convenience of the Internet.