![GeoIndex](https://www.bgs.ac.uk/wp-content/uploads/2020/06/feat_GeoIndex_2020.jpg)
GeoIndex (onshore)
Search BGS datasets using GeoIndex, a map-based index of a wealth of information that we have collected or have obtained from other sources.
![GeoIndex Offshore](https://www.bgs.ac.uk/wp-content/uploads/2020/05/feat_GeoIndex_offshore_2020.jpg)
GeoIndex (offshore)
The offshore GeoIndex shows the range of marine geoscience data held by the BGS within the National Geoscience Data Centre (NGDC).
![BGS Geology Viewer available via browser available devices](https://www.bgs.ac.uk/wp-content/uploads/2022/06/BGS_Geology_Viewer_devices.jpg)
BGS Geology Viewer
The BGS Geology Viewer has been designed to provide geology enthusiasts and the general public with bedrock and superficial geology maps of Great Britain.
![UKSO viewer](https://www.bgs.ac.uk/wp-content/uploads/2020/01/feature_UKSO.jpg)
UK Soil Observatory
The UK Soil Observatory is a collaboration of institutions providing and delivering information about the diverse soil types of the UK.
![Groundwater levels timeline](https://www.bgs.ac.uk/wp-content/uploads/2020/01/feature_Groundwater_levels-960x576.jpg)
Groundwater levels timeline
The groundwater levels timeline map viewer provides online access to UK monthly groundwater levels dating back to 1970.
![scanmapsicon](https://www.bgs.ac.uk/wp-content/uploads/2019/12/scanmapsicon.jpg)
Other viewers
We have a wide variety of map viewers available to general public that allow you to access our geological data online.