Map based index (GeoIndex) county maps 6inch

The index shows the availability of county series geological maps, 1:10560 scale. The maps themselves were produced on OS County Series sheets between approximately 1860 and 1960. The list indicates whether the map has been revised or re-surveyed and gives details of any later versions that have been produced. It is advisable to discuss your requirements before ordering or travelling to view these maps.

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Last Updated December 10, 2025, 12:06 (UTC)
Created February 18, 2019, 16:41 (UTC)