Customer Service

PLEASE NOTE: 

We no longer are able to accept any walk-in orders. All sales of our few remaining physical publications are now via our Amazon storefront. You will be redirected there when you select one of those publications. Please do not use the “Add to cart” button except on free items. All free digital downloads remain accessible on this site.

General Info:

Telephone: 303-384-2655

Email: askcgs@coloradogeologicalsurvey.org

Telephone help and email queries are addressed M-F 8:00 AM through 5:00 PM Mountain Standard Time. Orders are filled Monday through Friday, with the exception of regular state and federal holidays.

You may also use the contact form below for queries. We may take up to 48 hours to process these, although we usually respond the same day.

Return/Refund Policy

Because we have shifted all remaining physical sales to our Fulfillment by Amazon (FBA) storefront, FBA refund/return policies are in effect for any purchases.

The following refund policies in place previous to October 01, 2022 are no longer in effect:

Regular Refund Policies:

  • Six (6) month limit on all returns
  • To be accepted for returns, items must be in new /unused condition and undamaged
  • No returns / refunds for digital products (identified by SKUs ending in “D”)
  • No restocking fees, full refunds honored for unused items

Additional provisions for orders over $100 total:

  • Bookstores and resellers must request a Return Authorization first
  • No time limit on returns
  • A 20% restocking fee applies to all orders over $100 (excluding tax and shipping)

Privacy Policy

Thank you for visiting our web site. The entire CGS site is covered by the Colorado School of Mines Privacy Policy.

Privacy Contact information

If you have any questions, concerns, or comments about our privacy policy you may contact us: Telephone: 303-384-2655 / Email: askcgs@coloradogeologicalsurvey.org

Contact Us!

Let us know if there is a publication of ours that you can’t find, or data that you think we may have …

Contact Form

  • Use this form to ask us … anything!