BGS Civils is a suite of national maps of engineering properties based on geological data and the digital 1:50 000-scale geological map — BGS Geology 50K.
This theme provides information on zones of rock strength and the local factors controlling it as part of a suite of GIS layers for different engineering parameters.
For more information, including how to licence the data or access free versions, please visit our BGS Civils: strength webpage.
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