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Geological Archive

The Estonian Geological Archive contains the reports of geological investigations carried out in Estonia.

The material of the Geological Archive is collected exclusively in digital form. Authors themselves can upload their reports and work into the archive. All compiled reports, conducted investigations and gathered underlying data by the geology experts and enterprises operating in the field are awaited to be submitted in the geological archive.

Room with archive shelves

Facts about the Geological Archive

More than 7600 archival documents are already stored in the archive.

The data collection contains:

  • geological reports, from 1923 onward
  • registry cards of drilled wells, 1945-2009
  • consolidated balance sheets of mineral reserves, 1945-2005


Metadata of the reports in the Geological Archive, together with spatial data, are available for expert use also through the WFS and REST JSON services.

WFS service:
REST JSON service:

See also the licence (in Estonian) (172.61 KB, PDF) for using spatial data in the Geological Archive.

Digitizing of the geological archive

The project of digitizing the Estonian Geological Archive was financed through EU Regional Development Fund means and state support. The total cost of the project was 369 523.80 €.

More than 736 000 pages and 7000 spatial geometries were digitized, and software of the archive was developed.



Last updated: 14 June 2020