Map based index (GeoIndex) old series 1 inch geological maps

This layer of the map based index (GeoIndex) shows the availability of 1:63360 scale geological maps. The maps are available for most of England and Wales and show early geological mapping covering the OS Old Series one inch map sheet areas.

Data and Resources

GeoIndex Onshore: Old series maps 1inch

Resource locator
British Geological Survey (BGS) GeoIndex - Map products data theme

A layer for the dataset is provided through this OGC WMS (view) service. This...

Additional Info

Field	Value
Last Updated	November 5, 2025, 06:25 (UTC)
Created	February 18, 2019, 16:44 (UTC)