Frequent questions

I need a credit for buying data

You can top up your credit via our eSHOP. You register for the eSHOP separately, but when filling out the registration form in the eSHOP, please provide the same email address that you have listed as your contact email in the GDO application.

The recent changes

The application at the URL http://www.geology.cz/app/gdo has reached its end of life and is replaced by this application. test

There is no print function in built-in map application

The built-in map application is indented only for the purpose of buying GDO objects. If you want to print map detail around the purchased GDO or if you wand to see another spatial data, please use our Borehole surveys on page CGS Map Server.