Data and online services
These pages are the centralised location for details concerning public information material possessed by GTK.
search service is the central distribution channel for spatial data products or publications, reports, map drawings and photos produced by GTK.
is now part of Hakku
The library website
contains a wide selection of geological literature and maps. It also offers GTK's archive services.
service is a gateway to even more extensive sets of material.
service is a virtual museum.
In regard to map products and surveying and observation material, you should check the metadata supplied with the product to verify that the information product is suitable for the intended use. You can also check this by contacting our experts. Also, please note that not all spatial data products have been migrated to the Hakku service.