In a jam: the impact of geology on the Stonehenge tunnel scheme...by Andy Farrant on August 18, 2017 A303 chalk engineering flint geological mapping ground investigation groundwater mapping nodules phosphatic chalk Salisbury Stonehenge tunnel +
Happy as a Hog in Chalk on November 10, 2014 3d model Andrew Farrant Andy Newell BGS chalk Geology & Landscapes geophysics Hog’s Back Keith Westhead Mark Woods Mike Raines palaeontology structural geology +